Home / 5,180,830.10-7,771,245.15-4,865,642.90

Finding the Fourth Proportional to 5,180,830.10, 7,771,245.15 and 4,865,642.90

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Solution

The fourth proportional to 5,180,830.10, 7,771,245.15 and 4,865,642.90 is: 7,298,464.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180,830.10 : 7,771,245.15 = 4,865,642.90 : x
  2. Step 2: Convert to fraction form
    5,180,830.10/7,771,245.15 = 4,865,642.90/x
  3. Step 3: Cross multiply
    5,180,830.10x = 7,771,245.15 × 4,865,642.90
  4. Step 4: Simplify right side
    5,180,830.10x = 37,812,103,788,256.94
  5. Step 5: Solve for x
    x = 37,812,103,788,256.94/5,180,830.10
  6. Step 6: Final answer
    x = 7,298,464.35

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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.