Home / 2,549,664.43-3,518,558.15-1,388,118.65

Finding the Fourth Proportional to 2,549,664.43, 3,518,558.15 and 1,388,118.65

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Solution

The fourth proportional to 2,549,664.43, 3,518,558.15 and 1,388,118.65 is: 1,915,615.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549,664.43 : 3,518,558.15 = 1,388,118.65 : x
  2. Step 2: Convert to fraction form
    2,549,664.43/3,518,558.15 = 1,388,118.65/x
  3. Step 3: Cross multiply
    2,549,664.43x = 3,518,558.15 × 1,388,118.65
  4. Step 4: Simplify right side
    2,549,664.43x = 4,884,176,190,980.30
  5. Step 5: Solve for x
    x = 4,884,176,190,980.30/2,549,664.43
  6. Step 6: Final answer
    x = 1,915,615.30

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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.