Home / 4,581,157.40-6,872,513.70-1,386,258.20

Finding the Fourth Proportional to 4,581,157.40, 6,872,513.70 and 1,386,258.20

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Solution

The fourth proportional to 4,581,157.40, 6,872,513.70 and 1,386,258.20 is: 2,079,622.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,581,157.40 : 6,872,513.70 = 1,386,258.20 : x
  2. Step 2: Convert to fraction form
    4,581,157.40/6,872,513.70 = 1,386,258.20/x
  3. Step 3: Cross multiply
    4,581,157.40x = 6,872,513.70 × 1,386,258.20
  4. Step 4: Simplify right side
    4,581,157.40x = 9,527,078,471,237.34
  5. Step 5: Solve for x
    x = 9,527,078,471,237.34/4,581,157.40
  6. Step 6: Final answer
    x = 2,079,622.60

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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.