Home / 1,911,820.62-2,867,731.02-713,836.38

Finding the Fourth Proportional to 1,911,820.62, 2,867,731.02 and 713,836.38

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Solution

The fourth proportional to 1,911,820.62, 2,867,731.02 and 713,836.38 is: 1,070,754.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,820.62 : 2,867,731.02 = 713,836.38 : x
  2. Step 2: Convert to fraction form
    1,911,820.62/2,867,731.02 = 713,836.38/x
  3. Step 3: Cross multiply
    1,911,820.62x = 2,867,731.02 × 713,836.38
  4. Step 4: Simplify right side
    1,911,820.62x = 2,047,090,730,130.51
  5. Step 5: Solve for x
    x = 2,047,090,730,130.51/1,911,820.62
  6. Step 6: Final answer
    x = 1,070,754.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.