Home / 2,575,703.78-3,554,840.85-1,543,252.34

Finding the Fourth Proportional to 2,575,703.78, 3,554,840.85 and 1,543,252.34

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Solution

The fourth proportional to 2,575,703.78, 3,554,840.85 and 1,543,252.34 is: 2,129,909.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575,703.78 : 3,554,840.85 = 1,543,252.34 : x
  2. Step 2: Convert to fraction form
    2,575,703.78/3,554,840.85 = 1,543,252.34/x
  3. Step 3: Cross multiply
    2,575,703.78x = 3,554,840.85 × 1,543,252.34
  4. Step 4: Simplify right side
    2,575,703.78x = 5,486,016,460,090.09
  5. Step 5: Solve for x
    x = 5,486,016,460,090.09/2,575,703.78
  6. Step 6: Final answer
    x = 2,129,909.70

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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.