Home / 2,191,412.65-3,024,091.42-1,224,550.89

Finding the Fourth Proportional to 2,191,412.65, 3,024,091.42 and 1,224,550.89

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Solution

The fourth proportional to 2,191,412.65, 3,024,091.42 and 1,224,550.89 is: 1,689,847.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,412.65 : 3,024,091.42 = 1,224,550.89 : x
  2. Step 2: Convert to fraction form
    2,191,412.65/3,024,091.42 = 1,224,550.89/x
  3. Step 3: Cross multiply
    2,191,412.65x = 3,024,091.42 × 1,224,550.89
  4. Step 4: Simplify right side
    2,191,412.65x = 3,703,153,839,802.36
  5. Step 5: Solve for x
    x = 3,703,153,839,802.36/2,191,412.65
  6. Step 6: Final answer
    x = 1,689,847.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.