Home / 2,123,125.40-3,184,688.10-1,703,221.40

Finding the Fourth Proportional to 2,123,125.40, 3,184,688.10 and 1,703,221.40

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Solution

The fourth proportional to 2,123,125.40, 3,184,688.10 and 1,703,221.40 is: 2,554,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123,125.40 : 3,184,688.10 = 1,703,221.40 : x
  2. Step 2: Convert to fraction form
    2,123,125.40/3,184,688.10 = 1,703,221.40/x
  3. Step 3: Cross multiply
    2,123,125.40x = 3,184,688.10 × 1,703,221.40
  4. Step 4: Simplify right side
    2,123,125.40x = 5,424,228,924,245.34
  5. Step 5: Solve for x
    x = 5,424,228,924,245.34/2,123,125.40
  6. Step 6: Final answer
    x = 2,554,832.10

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Similar ratio
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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.