Home / 1,948,137.71-2,688,440.00-1,088,712.32

Finding the Fourth Proportional to 1,948,137.71, 2,688,440.00 and 1,088,712.32

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Solution

The fourth proportional to 1,948,137.71, 2,688,440.00 and 1,088,712.32 is: 1,502,428.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,137.71 : 2,688,440.00 = 1,088,712.32 : x
  2. Step 2: Convert to fraction form
    1,948,137.71/2,688,440.00 = 1,088,712.32/x
  3. Step 3: Cross multiply
    1,948,137.71x = 2,688,440.00 × 1,088,712.32
  4. Step 4: Simplify right side
    1,948,137.71x = 2,926,937,730,695.04
  5. Step 5: Solve for x
    x = 2,926,937,730,695.04/1,948,137.71
  6. Step 6: Final answer
    x = 1,502,428.56

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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.