Home / 1,587,127.68-2,189,052.72-1,035,964.80

Finding the Fourth Proportional to 1,587,127.68, 2,189,052.72 and 1,035,964.80

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Solution

The fourth proportional to 1,587,127.68, 2,189,052.72 and 1,035,964.80 is: 1,428,858.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,127.68 : 2,189,052.72 = 1,035,964.80 : x
  2. Step 2: Convert to fraction form
    1,587,127.68/2,189,052.72 = 1,035,964.80/x
  3. Step 3: Cross multiply
    1,587,127.68x = 2,189,052.72 × 1,035,964.80
  4. Step 4: Simplify right side
    1,587,127.68x = 2,267,781,563,264.26
  5. Step 5: Solve for x
    x = 2,267,781,563,264.26/1,587,127.68
  6. Step 6: Final answer
    x = 1,428,858.93

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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.