Home / 5,280,323.76-7,285,597.90-2,988,484.45

Finding the Fourth Proportional to 5,280,323.76, 7,285,597.90 and 2,988,484.45

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Solution

The fourth proportional to 5,280,323.76, 7,285,597.90 and 2,988,484.45 is: 4,123,401.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,323.76 : 7,285,597.90 = 2,988,484.45 : x
  2. Step 2: Convert to fraction form
    5,280,323.76/7,285,597.90 = 2,988,484.45/x
  3. Step 3: Cross multiply
    5,280,323.76x = 7,285,597.90 × 2,988,484.45
  4. Step 4: Simplify right side
    5,280,323.76x = 21,772,896,007,417.45
  5. Step 5: Solve for x
    x = 21,772,896,007,417.45/5,280,323.76
  6. Step 6: Final answer
    x = 4,123,401.71

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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.