Home / 1,653,141.40-2,479,712.10-1,642,643.80

Finding the Fourth Proportional to 1,653,141.40, 2,479,712.10 and 1,642,643.80

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Solution

The fourth proportional to 1,653,141.40, 2,479,712.10 and 1,642,643.80 is: 2,463,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653,141.40 : 2,479,712.10 = 1,642,643.80 : x
  2. Step 2: Convert to fraction form
    1,653,141.40/2,479,712.10 = 1,642,643.80/x
  3. Step 3: Cross multiply
    1,653,141.40x = 2,479,712.10 × 1,642,643.80
  4. Step 4: Simplify right side
    1,653,141.40x = 4,073,283,706,849.98
  5. Step 5: Solve for x
    x = 4,073,283,706,849.98/1,653,141.40
  6. Step 6: Final answer
    x = 2,463,965.70

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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.