Home / 2,989,109.16-4,125,061.80-1,700,135.28

Finding the Fourth Proportional to 2,989,109.16, 4,125,061.80 and 1,700,135.28

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Solution

The fourth proportional to 2,989,109.16, 4,125,061.80 and 1,700,135.28 is: 2,346,238.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,109.16 : 4,125,061.80 = 1,700,135.28 : x
  2. Step 2: Convert to fraction form
    2,989,109.16/4,125,061.80 = 1,700,135.28/x
  3. Step 3: Cross multiply
    2,989,109.16x = 4,125,061.80 × 1,700,135.28
  4. Step 4: Simplify right side
    2,989,109.16x = 7,013,163,098,360.30
  5. Step 5: Solve for x
    x = 7,013,163,098,360.30/2,989,109.16
  6. Step 6: Final answer
    x = 2,346,238.54

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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.