Home / 2,071,955.40-2,859,429.88-1,256,237.20

Finding the Fourth Proportional to 2,071,955.40, 2,859,429.88 and 1,256,237.20

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Solution

The fourth proportional to 2,071,955.40, 2,859,429.88 and 1,256,237.20 is: 1,733,687.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,955.40 : 2,859,429.88 = 1,256,237.20 : x
  2. Step 2: Convert to fraction form
    2,071,955.40/2,859,429.88 = 1,256,237.20/x
  3. Step 3: Cross multiply
    2,071,955.40x = 2,859,429.88 × 1,256,237.20
  4. Step 4: Simplify right side
    2,071,955.40x = 3,592,122,186,047.54
  5. Step 5: Solve for x
    x = 3,592,122,186,047.54/2,071,955.40
  6. Step 6: Final answer
    x = 1,733,687.02

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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.