Home / 1,536,641.80-2,304,962.70-978,152.20

Finding the Fourth Proportional to 1,536,641.80, 2,304,962.70 and 978,152.20

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Solution

The fourth proportional to 1,536,641.80, 2,304,962.70 and 978,152.20 is: 1,467,228.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,641.80 : 2,304,962.70 = 978,152.20 : x
  2. Step 2: Convert to fraction form
    1,536,641.80/2,304,962.70 = 978,152.20/x
  3. Step 3: Cross multiply
    1,536,641.80x = 2,304,962.70 × 978,152.20
  4. Step 4: Simplify right side
    1,536,641.80x = 2,254,604,335,922.94
  5. Step 5: Solve for x
    x = 2,254,604,335,922.94/1,536,641.80
  6. Step 6: Final answer
    x = 1,467,228.30

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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.