Home / 2,078,381.70-3,117,572.55-1,360,936.35

Finding the Fourth Proportional to 2,078,381.70, 3,117,572.55 and 1,360,936.35

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Solution

The fourth proportional to 2,078,381.70, 3,117,572.55 and 1,360,936.35 is: 2,041,404.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,381.70 : 3,117,572.55 = 1,360,936.35 : x
  2. Step 2: Convert to fraction form
    2,078,381.70/3,117,572.55 = 1,360,936.35/x
  3. Step 3: Cross multiply
    2,078,381.70x = 3,117,572.55 × 1,360,936.35
  4. Step 4: Simplify right side
    2,078,381.70x = 4,242,817,807,057.19
  5. Step 5: Solve for x
    x = 4,242,817,807,057.19/2,078,381.70
  6. Step 6: Final answer
    x = 2,041,404.53

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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.