Home / 1,812,977.05-2,501,909.61-997,242.79

Finding the Fourth Proportional to 1,812,977.05, 2,501,909.61 and 997,242.79

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Solution

The fourth proportional to 1,812,977.05, 2,501,909.61 and 997,242.79 is: 1,376,195.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,977.05 : 2,501,909.61 = 997,242.79 : x
  2. Step 2: Convert to fraction form
    1,812,977.05/2,501,909.61 = 997,242.79/x
  3. Step 3: Cross multiply
    1,812,977.05x = 2,501,909.61 × 997,242.79
  4. Step 4: Simplify right side
    1,812,977.05x = 2,495,011,323,883.02
  5. Step 5: Solve for x
    x = 2,495,011,323,883.02/1,812,977.05
  6. Step 6: Final answer
    x = 1,376,195.76

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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.