Home / 2,767,861.80-4,151,792.70-1,699,439.40

Finding the Fourth Proportional to 2,767,861.80, 4,151,792.70 and 1,699,439.40

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Solution

The fourth proportional to 2,767,861.80, 4,151,792.70 and 1,699,439.40 is: 2,549,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767,861.80 : 4,151,792.70 = 1,699,439.40 : x
  2. Step 2: Convert to fraction form
    2,767,861.80/4,151,792.70 = 1,699,439.40/x
  3. Step 3: Cross multiply
    2,767,861.80x = 4,151,792.70 × 1,699,439.40
  4. Step 4: Simplify right side
    2,767,861.80x = 7,055,720,095,012.38
  5. Step 5: Solve for x
    x = 7,055,720,095,012.38/2,767,861.80
  6. Step 6: Final answer
    x = 2,549,159.10

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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.