Home / 5,154,460.75-7,112,741.02-2,979,144.80

Finding the Fourth Proportional to 5,154,460.75, 7,112,741.02 and 2,979,144.80

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Solution

The fourth proportional to 5,154,460.75, 7,112,741.02 and 2,979,144.80 is: 4,110,980.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154,460.75 : 7,112,741.02 = 2,979,144.80 : x
  2. Step 2: Convert to fraction form
    5,154,460.75/7,112,741.02 = 2,979,144.80/x
  3. Step 3: Cross multiply
    5,154,460.75x = 7,112,741.02 × 2,979,144.80
  4. Step 4: Simplify right side
    5,154,460.75x = 21,189,885,407,140.91
  5. Step 5: Solve for x
    x = 21,189,885,407,140.91/5,154,460.75
  6. Step 6: Final answer
    x = 4,110,980.07

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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.