Home / 3,532,403.60-5,288,107.80-2,111,728.40

Finding the Fourth Proportional to 3,532,403.60, 5,288,107.80 and 2,111,728.40

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Solution

The fourth proportional to 3,532,403.60, 5,288,107.80 and 2,111,728.40 is: 3,161,316.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,532,403.60 : 5,288,107.80 = 2,111,728.40 : x
  2. Step 2: Convert to fraction form
    3,532,403.60/5,288,107.80 = 2,111,728.40/x
  3. Step 3: Cross multiply
    3,532,403.60x = 5,288,107.80 × 2,111,728.40
  4. Step 4: Simplify right side
    3,532,403.60x = 11,167,047,423,521.52
  5. Step 5: Solve for x
    x = 11,167,047,423,521.52/3,532,403.60
  6. Step 6: Final answer
    x = 3,161,316.96

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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.