Home / 1,397,721.80-2,096,582.70-1,374,102.20

Finding the Fourth Proportional to 1,397,721.80, 2,096,582.70 and 1,374,102.20

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Solution

The fourth proportional to 1,397,721.80, 2,096,582.70 and 1,374,102.20 is: 2,061,153.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,721.80 : 2,096,582.70 = 1,374,102.20 : x
  2. Step 2: Convert to fraction form
    1,397,721.80/2,096,582.70 = 1,374,102.20/x
  3. Step 3: Cross multiply
    1,397,721.80x = 2,096,582.70 × 1,374,102.20
  4. Step 4: Simplify right side
    1,397,721.80x = 2,880,918,900,551.94
  5. Step 5: Solve for x
    x = 2,880,918,900,551.94/1,397,721.80
  6. Step 6: Final answer
    x = 2,061,153.30

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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.