Home / 3,177,888.64-4,386,900-1,889,146.24

Finding the Fourth Proportional to 3,177,888.64, 4,386,900 and 1,889,146.24

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Solution

The fourth proportional to 3,177,888.64, 4,386,900 and 1,889,146.24 is: 2,607,862.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177,888.64 : 4,386,900 = 1,889,146.24 : x
  2. Step 2: Convert to fraction form
    3,177,888.64/4,386,900 = 1,889,146.24/x
  3. Step 3: Cross multiply
    3,177,888.64x = 4,386,900 × 1,889,146.24
  4. Step 4: Simplify right side
    3,177,888.64x = 8,287,495,640,256
  5. Step 5: Solve for x
    x = 8,287,495,640,256/3,177,888.64
  6. Step 6: Final answer
    x = 2,607,862.19

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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.