Home / 2,989,831.80-4,484,747.70-2,972,117.10

Finding the Fourth Proportional to 2,989,831.80, 4,484,747.70 and 2,972,117.10

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Solution

The fourth proportional to 2,989,831.80, 4,484,747.70 and 2,972,117.10 is: 4,458,175.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,831.80 : 4,484,747.70 = 2,972,117.10 : x
  2. Step 2: Convert to fraction form
    2,989,831.80/4,484,747.70 = 2,972,117.10/x
  3. Step 3: Cross multiply
    2,989,831.80x = 4,484,747.70 × 2,972,117.10
  4. Step 4: Simplify right side
    2,989,831.80x = 13,329,195,328,355.67
  5. Step 5: Solve for x
    x = 13,329,195,328,355.67/2,989,831.80
  6. Step 6: Final answer
    x = 4,458,175.65

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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.