Home / 2,549,681.42-3,518,581.50-1,388,135.61

Finding the Fourth Proportional to 2,549,681.42, 3,518,581.50 and 1,388,135.61

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Solution

The fourth proportional to 2,549,681.42, 3,518,581.50 and 1,388,135.61 is: 1,915,638.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549,681.42 : 3,518,581.50 = 1,388,135.61 : x
  2. Step 2: Convert to fraction form
    2,549,681.42/3,518,581.50 = 1,388,135.61/x
  3. Step 3: Cross multiply
    2,549,681.42x = 3,518,581.50 × 1,388,135.61
  4. Step 4: Simplify right side
    2,549,681.42x = 4,884,268,276,837.22
  5. Step 5: Solve for x
    x = 4,884,268,276,837.22/2,549,681.42
  6. Step 6: Final answer
    x = 1,915,638.66

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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.