Home / 2,130,381.60-3,194,017.20-867,559.20

Finding the Fourth Proportional to 2,130,381.60, 3,194,017.20 and 867,559.20

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Solution

The fourth proportional to 2,130,381.60, 3,194,017.20 and 867,559.20 is: 1,300,705.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,381.60 : 3,194,017.20 = 867,559.20 : x
  2. Step 2: Convert to fraction form
    2,130,381.60/3,194,017.20 = 867,559.20/x
  3. Step 3: Cross multiply
    2,130,381.60x = 3,194,017.20 × 867,559.20
  4. Step 4: Simplify right side
    2,130,381.60x = 2,770,999,006,818.24
  5. Step 5: Solve for x
    x = 2,770,999,006,818.24/2,130,381.60
  6. Step 6: Final answer
    x = 1,300,705.47

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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.