Home / 3,316,455.70-4,974,686.01-920,302.63

Finding the Fourth Proportional to 3,316,455.70, 4,974,686.01 and 920,302.63

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Solution

The fourth proportional to 3,316,455.70, 4,974,686.01 and 920,302.63 is: 1,380,454.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316,455.70 : 4,974,686.01 = 920,302.63 : x
  2. Step 2: Convert to fraction form
    3,316,455.70/4,974,686.01 = 920,302.63/x
  3. Step 3: Cross multiply
    3,316,455.70x = 4,974,686.01 × 920,302.63
  4. Step 4: Simplify right side
    3,316,455.70x = 4,578,216,605,990.49
  5. Step 5: Solve for x
    x = 4,578,216,605,990.49/3,316,455.70
  6. Step 6: Final answer
    x = 1,380,454.62

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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.