Home / 3,520,330.64-5,280,443.60-961,541.28

Finding the Fourth Proportional to 3,520,330.64, 5,280,443.60 and 961,541.28

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Solution

The fourth proportional to 3,520,330.64, 5,280,443.60 and 961,541.28 is: 1,442,297.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520,330.64 : 5,280,443.60 = 961,541.28 : x
  2. Step 2: Convert to fraction form
    3,520,330.64/5,280,443.60 = 961,541.28/x
  3. Step 3: Cross multiply
    3,520,330.64x = 5,280,443.60 × 961,541.28
  4. Step 4: Simplify right side
    3,520,330.64x = 5,077,364,498,111.81
  5. Step 5: Solve for x
    x = 5,077,364,498,111.81/3,520,330.64
  6. Step 6: Final answer
    x = 1,442,297.62

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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.