Home / 4,890,209.10-7,335,277.20-1,478,489.10

Finding the Fourth Proportional to 4,890,209.10, 7,335,277.20 and 1,478,489.10

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Solution

The fourth proportional to 4,890,209.10, 7,335,277.20 and 1,478,489.10 is: 2,217,722.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890,209.10 : 7,335,277.20 = 1,478,489.10 : x
  2. Step 2: Convert to fraction form
    4,890,209.10/7,335,277.20 = 1,478,489.10/x
  3. Step 3: Cross multiply
    4,890,209.10x = 7,335,277.20 × 1,478,489.10
  4. Step 4: Simplify right side
    4,890,209.10x = 10,845,127,385,678.52
  5. Step 5: Solve for x
    x = 10,845,127,385,678.52/4,890,209.10
  6. Step 6: Final answer
    x = 2,217,722.63

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1.5x scale

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.