Home / 2,178,387.40-3,267,581.10-1,058,643.40

Finding the Fourth Proportional to 2,178,387.40, 3,267,581.10 and 1,058,643.40

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Solution

The fourth proportional to 2,178,387.40, 3,267,581.10 and 1,058,643.40 is: 1,587,965.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,387.40 : 3,267,581.10 = 1,058,643.40 : x
  2. Step 2: Convert to fraction form
    2,178,387.40/3,267,581.10 = 1,058,643.40/x
  3. Step 3: Cross multiply
    2,178,387.40x = 3,267,581.10 × 1,058,643.40
  4. Step 4: Simplify right side
    2,178,387.40x = 3,459,203,165,479.74
  5. Step 5: Solve for x
    x = 3,459,203,165,479.74/2,178,387.40
  6. Step 6: Final answer
    x = 1,587,965.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.