Home / 2,989,430.76-4,125,545.84-1,682,767.16

Finding the Fourth Proportional to 2,989,430.76, 4,125,545.84 and 1,682,767.16

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Solution

The fourth proportional to 2,989,430.76, 4,125,545.84 and 1,682,767.16 is: 2,322,292.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,430.76 : 4,125,545.84 = 1,682,767.16 : x
  2. Step 2: Convert to fraction form
    2,989,430.76/4,125,545.84 = 1,682,767.16/x
  3. Step 3: Cross multiply
    2,989,430.76x = 4,125,545.84 × 1,682,767.16
  4. Step 4: Simplify right side
    2,989,430.76x = 6,942,333,056,626.61
  5. Step 5: Solve for x
    x = 6,942,333,056,626.61/2,989,430.76
  6. Step 6: Final answer
    x = 2,322,292.64

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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.