Home / 6,506,977.20-8,979,629.40-3,606,555.12

Finding the Fourth Proportional to 6,506,977.20, 8,979,629.40 and 3,606,555.12

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Solution

The fourth proportional to 6,506,977.20, 8,979,629.40 and 3,606,555.12 is: 4,977,046.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,506,977.20 : 8,979,629.40 = 3,606,555.12 : x
  2. Step 2: Convert to fraction form
    6,506,977.20/8,979,629.40 = 3,606,555.12/x
  3. Step 3: Cross multiply
    6,506,977.20x = 8,979,629.40 × 3,606,555.12
  4. Step 4: Simplify right side
    6,506,977.20x = 32,385,528,388,272.53
  5. Step 5: Solve for x
    x = 32,385,528,388,272.53/6,506,977.20
  6. Step 6: Final answer
    x = 4,977,046.54

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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.