Home / 5,195,826.57-7,170,015.14-2,840,981.13

Finding the Fourth Proportional to 5,195,826.57, 7,170,015.14 and 2,840,981.13

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Solution

The fourth proportional to 5,195,826.57, 7,170,015.14 and 2,840,981.13 is: 3,920,430.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195,826.57 : 7,170,015.14 = 2,840,981.13 : x
  2. Step 2: Convert to fraction form
    5,195,826.57/7,170,015.14 = 2,840,981.13/x
  3. Step 3: Cross multiply
    5,195,826.57x = 7,170,015.14 × 2,840,981.13
  4. Step 4: Simplify right side
    5,195,826.57x = 20,369,877,700,349.40
  5. Step 5: Solve for x
    x = 20,369,877,700,349.40/5,195,826.57
  6. Step 6: Final answer
    x = 3,920,430.64

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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.