Home / 1,607,131.64-2,217,210.30-918,434.03

Finding the Fourth Proportional to 1,607,131.64, 2,217,210.30 and 918,434.03

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Solution

The fourth proportional to 1,607,131.64, 2,217,210.30 and 918,434.03 is: 1,267,078.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607,131.64 : 2,217,210.30 = 918,434.03 : x
  2. Step 2: Convert to fraction form
    1,607,131.64/2,217,210.30 = 918,434.03/x
  3. Step 3: Cross multiply
    1,607,131.64x = 2,217,210.30 × 918,434.03
  4. Step 4: Simplify right side
    1,607,131.64x = 2,036,361,380,100.46
  5. Step 5: Solve for x
    x = 2,036,361,380,100.46/1,607,131.64
  6. Step 6: Final answer
    x = 1,267,078.14

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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.