Home / 2,477,083.59-3,418,102.04-1,389,131.28

Finding the Fourth Proportional to 2,477,083.59, 3,418,102.04 and 1,389,131.28

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Solution

The fourth proportional to 2,477,083.59, 3,418,102.04 and 1,389,131.28 is: 1,916,847.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477,083.59 : 3,418,102.04 = 1,389,131.28 : x
  2. Step 2: Convert to fraction form
    2,477,083.59/3,418,102.04 = 1,389,131.28/x
  3. Step 3: Cross multiply
    2,477,083.59x = 3,418,102.04 × 1,389,131.28
  4. Step 4: Simplify right side
    2,477,083.59x = 4,748,192,455,050.16
  5. Step 5: Solve for x
    x = 4,748,192,455,050.16/2,477,083.59
  6. Step 6: Final answer
    x = 1,916,847.89

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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.