Home / 1,491,566.40-2,057,482.45-1,055,493.18

Finding the Fourth Proportional to 1,491,566.40, 2,057,482.45 and 1,055,493.18

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Solution

The fourth proportional to 1,491,566.40, 2,057,482.45 and 1,055,493.18 is: 1,455,958.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,566.40 : 2,057,482.45 = 1,055,493.18 : x
  2. Step 2: Convert to fraction form
    1,491,566.40/2,057,482.45 = 1,055,493.18/x
  3. Step 3: Cross multiply
    1,491,566.40x = 2,057,482.45 × 1,055,493.18
  4. Step 4: Simplify right side
    1,491,566.40x = 2,171,658,683,657.28
  5. Step 5: Solve for x
    x = 2,171,658,683,657.28/1,491,566.40
  6. Step 6: Final answer
    x = 1,455,958.44

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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.