Home / 2,318,971.80-3,478,457.70-822,869.40

Finding the Fourth Proportional to 2,318,971.80, 3,478,457.70 and 822,869.40

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Solution

The fourth proportional to 2,318,971.80, 3,478,457.70 and 822,869.40 is: 1,234,304.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318,971.80 : 3,478,457.70 = 822,869.40 : x
  2. Step 2: Convert to fraction form
    2,318,971.80/3,478,457.70 = 822,869.40/x
  3. Step 3: Cross multiply
    2,318,971.80x = 3,478,457.70 × 822,869.40
  4. Step 4: Simplify right side
    2,318,971.80x = 2,862,316,400,524.38
  5. Step 5: Solve for x
    x = 2,862,316,400,524.38/2,318,971.80
  6. Step 6: Final answer
    x = 1,234,304.10

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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.