Home / 1,851,397.29-2,555,120.57-1,066,490.35

Finding the Fourth Proportional to 1,851,397.29, 2,555,120.57 and 1,066,490.35

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Solution

The fourth proportional to 1,851,397.29, 2,555,120.57 and 1,066,490.35 is: 1,471,867.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,397.29 : 2,555,120.57 = 1,066,490.35 : x
  2. Step 2: Convert to fraction form
    1,851,397.29/2,555,120.57 = 1,066,490.35/x
  3. Step 3: Cross multiply
    1,851,397.29x = 2,555,120.57 × 1,066,490.35
  4. Step 4: Simplify right side
    1,851,397.29x = 2,725,011,419,271.25
  5. Step 5: Solve for x
    x = 2,725,011,419,271.25/1,851,397.29
  6. Step 6: Final answer
    x = 1,471,867.46

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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.