Home / 3,349,090.80-4,621,801.68-1,821,242.88

Finding the Fourth Proportional to 3,349,090.80, 4,621,801.68 and 1,821,242.88

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Solution

The fourth proportional to 3,349,090.80, 4,621,801.68 and 1,821,242.88 is: 2,513,345.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349,090.80 : 4,621,801.68 = 1,821,242.88 : x
  2. Step 2: Convert to fraction form
    3,349,090.80/4,621,801.68 = 1,821,242.88/x
  3. Step 3: Cross multiply
    3,349,090.80x = 4,621,801.68 × 1,821,242.88
  4. Step 4: Simplify right side
    3,349,090.80x = 8,417,423,402,472.04
  5. Step 5: Solve for x
    x = 8,417,423,402,472.04/3,349,090.80
  6. Step 6: Final answer
    x = 2,513,345.83

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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.