Home / 5,090,620.76-7,024,875.90-2,798,764.76

Finding the Fourth Proportional to 5,090,620.76, 7,024,875.90 and 2,798,764.76

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Solution

The fourth proportional to 5,090,620.76, 7,024,875.90 and 2,798,764.76 is: 3,862,196.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090,620.76 : 7,024,875.90 = 2,798,764.76 : x
  2. Step 2: Convert to fraction form
    5,090,620.76/7,024,875.90 = 2,798,764.76/x
  3. Step 3: Cross multiply
    5,090,620.76x = 7,024,875.90 × 2,798,764.76
  4. Step 4: Simplify right side
    5,090,620.76x = 19,660,975,112,293.29
  5. Step 5: Solve for x
    x = 19,660,975,112,293.29/5,090,620.76
  6. Step 6: Final answer
    x = 3,862,196.00

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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.