Home / 3,316,384.40-4,974,020.13-920,472.44

Finding the Fourth Proportional to 3,316,384.40, 4,974,020.13 and 920,472.44

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Solution

The fourth proportional to 3,316,384.40, 4,974,020.13 and 920,472.44 is: 1,380,554.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316,384.40 : 4,974,020.13 = 920,472.44 : x
  2. Step 2: Convert to fraction form
    3,316,384.40/4,974,020.13 = 920,472.44/x
  3. Step 3: Cross multiply
    3,316,384.40x = 4,974,020.13 × 920,472.44
  4. Step 4: Simplify right side
    3,316,384.40x = 4,578,448,445,670.22
  5. Step 5: Solve for x
    x = 4,578,448,445,670.22/3,316,384.40
  6. Step 6: Final answer
    x = 1,380,554.21

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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.