Home / 3,423,020.55-5,126,380.01-1,980,664.25

Finding the Fourth Proportional to 3,423,020.55, 5,126,380.01 and 1,980,664.25

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Solution

The fourth proportional to 3,423,020.55, 5,126,380.01 and 1,980,664.25 is: 2,966,280.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423,020.55 : 5,126,380.01 = 1,980,664.25 : x
  2. Step 2: Convert to fraction form
    3,423,020.55/5,126,380.01 = 1,980,664.25/x
  3. Step 3: Cross multiply
    3,423,020.55x = 5,126,380.01 × 1,980,664.25
  4. Step 4: Simplify right side
    3,423,020.55x = 10,153,637,617,721.64
  5. Step 5: Solve for x
    x = 10,153,637,617,721.64/3,423,020.55
  6. Step 6: Final answer
    x = 2,966,280.06

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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.