Home / 4,581,145.80-6,869,969.10-1,385,209.80

Finding the Fourth Proportional to 4,581,145.80, 6,869,969.10 and 1,385,209.80

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Solution

The fourth proportional to 4,581,145.80, 6,869,969.10 and 1,385,209.80 is: 2,077,285.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,581,145.80 : 6,869,969.10 = 1,385,209.80 : x
  2. Step 2: Convert to fraction form
    4,581,145.80/6,869,969.10 = 1,385,209.80/x
  3. Step 3: Cross multiply
    4,581,145.80x = 6,869,969.10 × 1,385,209.80
  4. Step 4: Simplify right side
    4,581,145.80x = 9,516,348,523,017.18
  5. Step 5: Solve for x
    x = 9,516,348,523,017.18/4,581,145.80
  6. Step 6: Final answer
    x = 2,077,285.67

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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.