Home / 2,572,140.90-3,549,714-1,426,221.25

Finding the Fourth Proportional to 2,572,140.90, 3,549,714 and 1,426,221.25

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Solution

The fourth proportional to 2,572,140.90, 3,549,714 and 1,426,221.25 is: 1,968,273.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572,140.90 : 3,549,714 = 1,426,221.25 : x
  2. Step 2: Convert to fraction form
    2,572,140.90/3,549,714 = 1,426,221.25/x
  3. Step 3: Cross multiply
    2,572,140.90x = 3,549,714 × 1,426,221.25
  4. Step 4: Simplify right side
    2,572,140.90x = 5,062,677,529,348.22
  5. Step 5: Solve for x
    x = 5,062,677,529,348.22/2,572,140.90
  6. Step 6: Final answer
    x = 1,968,273.79

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1.5x scale

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.