Home / 6,424,417.89-8,867,681.90-4,132,578.57

Finding the Fourth Proportional to 6,424,417.89, 8,867,681.90 and 4,132,578.57

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Solution

The fourth proportional to 6,424,417.89, 8,867,681.90 and 4,132,578.57 is: 5,704,235.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,424,417.89 : 8,867,681.90 = 4,132,578.57 : x
  2. Step 2: Convert to fraction form
    6,424,417.89/8,867,681.90 = 4,132,578.57/x
  3. Step 3: Cross multiply
    6,424,417.89x = 8,867,681.90 × 4,132,578.57
  4. Step 4: Simplify right side
    6,424,417.89x = 36,646,392,185,516.88
  5. Step 5: Solve for x
    x = 36,646,392,185,516.88/6,424,417.89
  6. Step 6: Final answer
    x = 5,704,235.44

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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.