Home / 1,587,340.80-2,190,548.01-934,111.20

Finding the Fourth Proportional to 1,587,340.80, 2,190,548.01 and 934,111.20

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Solution

The fourth proportional to 1,587,340.80, 2,190,548.01 and 934,111.20 is: 1,289,083.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,340.80 : 2,190,548.01 = 934,111.20 : x
  2. Step 2: Convert to fraction form
    1,587,340.80/2,190,548.01 = 934,111.20/x
  3. Step 3: Cross multiply
    1,587,340.80x = 2,190,548.01 × 934,111.20
  4. Step 4: Simplify right side
    1,587,340.80x = 2,046,215,430,278.71
  5. Step 5: Solve for x
    x = 2,046,215,430,278.71/1,587,340.80
  6. Step 6: Final answer
    x = 1,289,083.88

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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.