Home / 5,280,332.13-7,285,609.40-2,988,492.81

Finding the Fourth Proportional to 5,280,332.13, 7,285,609.40 and 2,988,492.81

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Solution

The fourth proportional to 5,280,332.13, 7,285,609.40 and 2,988,492.81 is: 4,123,413.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,332.13 : 7,285,609.40 = 2,988,492.81 : x
  2. Step 2: Convert to fraction form
    5,280,332.13/7,285,609.40 = 2,988,492.81/x
  3. Step 3: Cross multiply
    5,280,332.13x = 7,285,609.40 × 2,988,492.81
  4. Step 4: Simplify right side
    5,280,332.13x = 21,772,991,308,368.41
  5. Step 5: Solve for x
    x = 21,772,991,308,368.41/5,280,332.13
  6. Step 6: Final answer
    x = 4,123,413.22

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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.