Home / 2,077,814.40-3,116,721.60-657,981.60

Finding the Fourth Proportional to 2,077,814.40, 3,116,721.60 and 657,981.60

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Solution

The fourth proportional to 2,077,814.40, 3,116,721.60 and 657,981.60 is: 986,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,814.40 : 3,116,721.60 = 657,981.60 : x
  2. Step 2: Convert to fraction form
    2,077,814.40/3,116,721.60 = 657,981.60/x
  3. Step 3: Cross multiply
    2,077,814.40x = 3,116,721.60 × 657,981.60
  4. Step 4: Simplify right side
    2,077,814.40x = 2,050,745,465,122.56
  5. Step 5: Solve for x
    x = 2,050,745,465,122.56/2,077,814.40
  6. Step 6: Final answer
    x = 986,972.40

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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.