Home / 1,818,683.01-2,508,740.78-1,138,438.53

Finding the Fourth Proportional to 1,818,683.01, 2,508,740.78 and 1,138,438.53

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Solution

The fourth proportional to 1,818,683.01, 2,508,740.78 and 1,138,438.53 is: 1,570,393.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,683.01 : 2,508,740.78 = 1,138,438.53 : x
  2. Step 2: Convert to fraction form
    1,818,683.01/2,508,740.78 = 1,138,438.53/x
  3. Step 3: Cross multiply
    1,818,683.01x = 2,508,740.78 × 1,138,438.53
  4. Step 4: Simplify right side
    1,818,683.01x = 2,856,047,160,042.06
  5. Step 5: Solve for x
    x = 2,856,047,160,042.06/1,818,683.01
  6. Step 6: Final answer
    x = 1,570,393.05

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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.