Home / 3,913,689.20-5,870,533.80-3,565,324.40

Finding the Fourth Proportional to 3,913,689.20, 5,870,533.80 and 3,565,324.40

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Solution

The fourth proportional to 3,913,689.20, 5,870,533.80 and 3,565,324.40 is: 5,347,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913,689.20 : 5,870,533.80 = 3,565,324.40 : x
  2. Step 2: Convert to fraction form
    3,913,689.20/5,870,533.80 = 3,565,324.40/x
  3. Step 3: Cross multiply
    3,913,689.20x = 5,870,533.80 × 3,565,324.40
  4. Step 4: Simplify right side
    3,913,689.20x = 20,930,357,398,164.72
  5. Step 5: Solve for x
    x = 20,930,357,398,164.72/3,913,689.20
  6. Step 6: Final answer
    x = 5,347,986.60

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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.