Home / 7,020,922.24-10,535,193.60-2,979,683.20

Finding the Fourth Proportional to 7,020,922.24, 10,535,193.60 and 2,979,683.20

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Solution

The fourth proportional to 7,020,922.24, 10,535,193.60 and 2,979,683.20 is: 4,471,141.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,922.24 : 10,535,193.60 = 2,979,683.20 : x
  2. Step 2: Convert to fraction form
    7,020,922.24/10,535,193.60 = 2,979,683.20/x
  3. Step 3: Cross multiply
    7,020,922.24x = 10,535,193.60 × 2,979,683.20
  4. Step 4: Simplify right side
    7,020,922.24x = 31,391,539,378,667.52
  5. Step 5: Solve for x
    x = 31,391,539,378,667.52/7,020,922.24
  6. Step 6: Final answer
    x = 4,471,141.87

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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.