Home / 2,898,847.60-4,000,276.08-1,609,770.40

Finding the Fourth Proportional to 2,898,847.60, 4,000,276.08 and 1,609,770.40

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Solution

The fourth proportional to 2,898,847.60, 4,000,276.08 and 1,609,770.40 is: 2,221,408.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898,847.60 : 4,000,276.08 = 1,609,770.40 : x
  2. Step 2: Convert to fraction form
    2,898,847.60/4,000,276.08 = 1,609,770.40/x
  3. Step 3: Cross multiply
    2,898,847.60x = 4,000,276.08 × 1,609,770.40
  4. Step 4: Simplify right side
    2,898,847.60x = 6,439,526,025,412.03
  5. Step 5: Solve for x
    x = 6,439,526,025,412.03/2,898,847.60
  6. Step 6: Final answer
    x = 2,221,408.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.