Home / 1,870,125.66-2,581,202.70-1,145,372.76

Finding the Fourth Proportional to 1,870,125.66, 2,581,202.70 and 1,145,372.76

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Solution

The fourth proportional to 1,870,125.66, 2,581,202.70 and 1,145,372.76 is: 1,580,877.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,125.66 : 2,581,202.70 = 1,145,372.76 : x
  2. Step 2: Convert to fraction form
    1,870,125.66/2,581,202.70 = 1,145,372.76/x
  3. Step 3: Cross multiply
    1,870,125.66x = 2,581,202.70 × 1,145,372.76
  4. Step 4: Simplify right side
    1,870,125.66x = 2,956,439,260,618.45
  5. Step 5: Solve for x
    x = 2,956,439,260,618.45/1,870,125.66
  6. Step 6: Final answer
    x = 1,580,877.33

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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.