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Finding the Fourth Proportional to 2,048,699.02, 2,827,335.46 and 1,143,281.02

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Solution

The fourth proportional to 2,048,699.02, 2,827,335.46 and 1,143,281.02 is: 1,577,800.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048,699.02 : 2,827,335.46 = 1,143,281.02 : x
  2. Step 2: Convert to fraction form
    2,048,699.02/2,827,335.46 = 1,143,281.02/x
  3. Step 3: Cross multiply
    2,048,699.02x = 2,827,335.46 × 1,143,281.02
  4. Step 4: Simplify right side
    2,048,699.02x = 3,232,438,968,590.97
  5. Step 5: Solve for x
    x = 3,232,438,968,590.97/2,048,699.02
  6. Step 6: Final answer
    x = 1,577,800.81

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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.