Home / 1,675,381.32-2,494,123.09-1,665,417

Finding the Fourth Proportional to 1,675,381.32, 2,494,123.09 and 1,665,417

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Solution

The fourth proportional to 1,675,381.32, 2,494,123.09 and 1,665,417 is: 2,479,289.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675,381.32 : 2,494,123.09 = 1,665,417 : x
  2. Step 2: Convert to fraction form
    1,675,381.32/2,494,123.09 = 1,665,417/x
  3. Step 3: Cross multiply
    1,675,381.32x = 2,494,123.09 × 1,665,417
  4. Step 4: Simplify right side
    1,675,381.32x = 4,153,754,994,178.53
  5. Step 5: Solve for x
    x = 4,153,754,994,178.53/1,675,381.32
  6. Step 6: Final answer
    x = 2,479,289.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.