Home / 2,556,864.78-3,528,548.34-1,395,385.72

Finding the Fourth Proportional to 2,556,864.78, 3,528,548.34 and 1,395,385.72

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Solution

The fourth proportional to 2,556,864.78, 3,528,548.34 and 1,395,385.72 is: 1,925,673.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556,864.78 : 3,528,548.34 = 1,395,385.72 : x
  2. Step 2: Convert to fraction form
    2,556,864.78/3,528,548.34 = 1,395,385.72/x
  3. Step 3: Cross multiply
    2,556,864.78x = 3,528,548.34 × 1,395,385.72
  4. Step 4: Simplify right side
    2,556,864.78x = 4,923,685,965,965.70
  5. Step 5: Solve for x
    x = 4,923,685,965,965.70/2,556,864.78
  6. Step 6: Final answer
    x = 1,925,673.19

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Find fourth proportional to 2,556,865.78, 3,528,549.72 and 1,395,386.72
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.