Home / 5,214,795.66-7,196,434.02-2,891,851.74

Finding the Fourth Proportional to 5,214,795.66, 7,196,434.02 and 2,891,851.74

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Solution

The fourth proportional to 5,214,795.66, 7,196,434.02 and 2,891,851.74 is: 3,990,764.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214,795.66 : 7,196,434.02 = 2,891,851.74 : x
  2. Step 2: Convert to fraction form
    5,214,795.66/7,196,434.02 = 2,891,851.74/x
  3. Step 3: Cross multiply
    5,214,795.66x = 7,196,434.02 × 2,891,851.74
  4. Step 4: Simplify right side
    5,214,795.66x = 20,811,020,242,532.20
  5. Step 5: Solve for x
    x = 20,811,020,242,532.20/5,214,795.66
  6. Step 6: Final answer
    x = 3,990,764.28

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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.