Home / 1,989,831.76-2,746,411.02-1,264,538.04

Finding the Fourth Proportional to 1,989,831.76, 2,746,411.02 and 1,264,538.04

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Solution

The fourth proportional to 1,989,831.76, 2,746,411.02 and 1,264,538.04 is: 1,745,344.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,831.76 : 2,746,411.02 = 1,264,538.04 : x
  2. Step 2: Convert to fraction form
    1,989,831.76/2,746,411.02 = 1,264,538.04/x
  3. Step 3: Cross multiply
    1,989,831.76x = 2,746,411.02 × 1,264,538.04
  4. Step 4: Simplify right side
    1,989,831.76x = 3,472,941,208,265.20
  5. Step 5: Solve for x
    x = 3,472,941,208,265.20/1,989,831.76
  6. Step 6: Final answer
    x = 1,745,344.14

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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.