Home / 5,079,421.24-7,009,737.78-2,787,663.40

Finding the Fourth Proportional to 5,079,421.24, 7,009,737.78 and 2,787,663.40

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Solution

The fourth proportional to 5,079,421.24, 7,009,737.78 and 2,787,663.40 is: 3,847,050.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079,421.24 : 7,009,737.78 = 2,787,663.40 : x
  2. Step 2: Convert to fraction form
    5,079,421.24/7,009,737.78 = 2,787,663.40/x
  3. Step 3: Cross multiply
    5,079,421.24x = 7,009,737.78 × 2,787,663.40
  4. Step 4: Simplify right side
    5,079,421.24x = 19,540,789,452,903.25
  5. Step 5: Solve for x
    x = 19,540,789,452,903.25/5,079,421.24
  6. Step 6: Final answer
    x = 3,847,050.39

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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.