Home / 1,911,589.92-2,866,702.32-631,962.72

Finding the Fourth Proportional to 1,911,589.92, 2,866,702.32 and 631,962.72

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Solution

The fourth proportional to 1,911,589.92, 2,866,702.32 and 631,962.72 is: 947,718.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,589.92 : 2,866,702.32 = 631,962.72 : x
  2. Step 2: Convert to fraction form
    1,911,589.92/2,866,702.32 = 631,962.72/x
  3. Step 3: Cross multiply
    1,911,589.92x = 2,866,702.32 × 631,962.72
  4. Step 4: Simplify right side
    1,911,589.92x = 1,811,648,995,577.51
  5. Step 5: Solve for x
    x = 1,811,648,995,577.51/1,911,589.92
  6. Step 6: Final answer
    x = 947,718.43

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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.