Home / 5,435,211.25-7,500,686.30-2,987,925.45

Finding the Fourth Proportional to 5,435,211.25, 7,500,686.30 and 2,987,925.45

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Solution

The fourth proportional to 5,435,211.25, 7,500,686.30 and 2,987,925.45 is: 4,123,389.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435,211.25 : 7,500,686.30 = 2,987,925.45 : x
  2. Step 2: Convert to fraction form
    5,435,211.25/7,500,686.30 = 2,987,925.45/x
  3. Step 3: Cross multiply
    5,435,211.25x = 7,500,686.30 × 2,987,925.45
  4. Step 4: Simplify right side
    5,435,211.25x = 22,411,491,488,236.34
  5. Step 5: Solve for x
    x = 22,411,491,488,236.34/5,435,211.25
  6. Step 6: Final answer
    x = 4,123,389.22

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1.5x scale

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.