Home / 5,209,200.30-7,813,800.45-1,614,938.70

Finding the Fourth Proportional to 5,209,200.30, 7,813,800.45 and 1,614,938.70

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Solution

The fourth proportional to 5,209,200.30, 7,813,800.45 and 1,614,938.70 is: 2,422,408.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209,200.30 : 7,813,800.45 = 1,614,938.70 : x
  2. Step 2: Convert to fraction form
    5,209,200.30/7,813,800.45 = 1,614,938.70/x
  3. Step 3: Cross multiply
    5,209,200.30x = 7,813,800.45 × 1,614,938.70
  4. Step 4: Simplify right side
    5,209,200.30x = 12,618,808,740,782.41
  5. Step 5: Solve for x
    x = 12,618,808,740,782.41/5,209,200.30
  6. Step 6: Final answer
    x = 2,422,408.05

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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.