Home / 2,005,285.25-2,767,274.81-1,087,534.65

Finding the Fourth Proportional to 2,005,285.25, 2,767,274.81 and 1,087,534.65

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Solution

The fourth proportional to 2,005,285.25, 2,767,274.81 and 1,087,534.65 is: 1,500,787.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,285.25 : 2,767,274.81 = 1,087,534.65 : x
  2. Step 2: Convert to fraction form
    2,005,285.25/2,767,274.81 = 1,087,534.65/x
  3. Step 3: Cross multiply
    2,005,285.25x = 2,767,274.81 × 1,087,534.65
  4. Step 4: Simplify right side
    2,005,285.25x = 3,009,507,230,210.47
  5. Step 5: Solve for x
    x = 3,009,507,230,210.47/2,005,285.25
  6. Step 6: Final answer
    x = 1,500,787.60

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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.