Home / 2,896,870.13-3,997,746.47-1,607,793.55

Finding the Fourth Proportional to 2,896,870.13, 3,997,746.47 and 1,607,793.55

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Solution

The fourth proportional to 2,896,870.13, 3,997,746.47 and 1,607,793.55 is: 2,218,791.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896,870.13 : 3,997,746.47 = 1,607,793.55 : x
  2. Step 2: Convert to fraction form
    2,896,870.13/3,997,746.47 = 1,607,793.55/x
  3. Step 3: Cross multiply
    2,896,870.13x = 3,997,746.47 × 1,607,793.55
  4. Step 4: Simplify right side
    2,896,870.13x = 6,427,551,000,991.95
  5. Step 5: Solve for x
    x = 6,427,551,000,991.95/2,896,870.13
  6. Step 6: Final answer
    x = 2,218,791.56

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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.