Home / 6,461,320.32-9,691,629.60-1,973,246.40

Finding the Fourth Proportional to 6,461,320.32, 9,691,629.60 and 1,973,246.40

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Solution

The fourth proportional to 6,461,320.32, 9,691,629.60 and 1,973,246.40 is: 2,959,762.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,461,320.32 : 9,691,629.60 = 1,973,246.40 : x
  2. Step 2: Convert to fraction form
    6,461,320.32/9,691,629.60 = 1,973,246.40/x
  3. Step 3: Cross multiply
    6,461,320.32x = 9,691,629.60 × 1,973,246.40
  4. Step 4: Simplify right side
    6,461,320.32x = 19,123,973,218,333.44
  5. Step 5: Solve for x
    x = 19,123,973,218,333.44/6,461,320.32
  6. Step 6: Final answer
    x = 2,959,762.44

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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.