Home / 6,505,479.72-8,977,319.46-3,752,280

Finding the Fourth Proportional to 6,505,479.72, 8,977,319.46 and 3,752,280

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Solution

The fourth proportional to 6,505,479.72, 8,977,319.46 and 3,752,280 is: 5,178,006.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,505,479.72 : 8,977,319.46 = 3,752,280 : x
  2. Step 2: Convert to fraction form
    6,505,479.72/8,977,319.46 = 3,752,280/x
  3. Step 3: Cross multiply
    6,505,479.72x = 8,977,319.46 × 3,752,280
  4. Step 4: Simplify right side
    6,505,479.72x = 33,685,416,263,368.80
  5. Step 5: Solve for x
    x = 33,685,416,263,368.80/6,505,479.72
  6. Step 6: Final answer
    x = 5,178,006.50

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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.