Home / 1,553,895.68-2,144,221.48-1,146,217.76

Finding the Fourth Proportional to 1,553,895.68, 2,144,221.48 and 1,146,217.76

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Solution

The fourth proportional to 1,553,895.68, 2,144,221.48 and 1,146,217.76 is: 1,581,666.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,895.68 : 2,144,221.48 = 1,146,217.76 : x
  2. Step 2: Convert to fraction form
    1,553,895.68/2,144,221.48 = 1,146,217.76/x
  3. Step 3: Cross multiply
    1,553,895.68x = 2,144,221.48 × 1,146,217.76
  4. Step 4: Simplify right side
    1,553,895.68x = 2,457,744,741,749.49
  5. Step 5: Solve for x
    x = 2,457,744,741,749.49/1,553,895.68
  6. Step 6: Final answer
    x = 1,581,666.50

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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.