Home / 1,662,565.17-2,292,807.29-1,247,443.41

Finding the Fourth Proportional to 1,662,565.17, 2,292,807.29 and 1,247,443.41

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Solution

The fourth proportional to 1,662,565.17, 2,292,807.29 and 1,247,443.41 is: 1,720,321.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662,565.17 : 2,292,807.29 = 1,247,443.41 : x
  2. Step 2: Convert to fraction form
    1,662,565.17/2,292,807.29 = 1,247,443.41/x
  3. Step 3: Cross multiply
    1,662,565.17x = 2,292,807.29 × 1,247,443.41
  4. Step 4: Simplify right side
    1,662,565.17x = 2,860,147,338,073.24
  5. Step 5: Solve for x
    x = 2,860,147,338,073.24/1,662,565.17
  6. Step 6: Final answer
    x = 1,720,321.94

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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.