Home / 3,218,523.70-4,827,785.55-974,661.70

Finding the Fourth Proportional to 3,218,523.70, 4,827,785.55 and 974,661.70

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Solution

The fourth proportional to 3,218,523.70, 4,827,785.55 and 974,661.70 is: 1,461,992.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,523.70 : 4,827,785.55 = 974,661.70 : x
  2. Step 2: Convert to fraction form
    3,218,523.70/4,827,785.55 = 974,661.70/x
  3. Step 3: Cross multiply
    3,218,523.70x = 4,827,785.55 × 974,661.70
  4. Step 4: Simplify right side
    3,218,523.70x = 4,705,457,671,398.43
  5. Step 5: Solve for x
    x = 4,705,457,671,398.43/3,218,523.70
  6. Step 6: Final answer
    x = 1,461,992.55

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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.