Home / 2,005,740.80-2,767,905.91-1,087,967.64

Finding the Fourth Proportional to 2,005,740.80, 2,767,905.91 and 1,087,967.64

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Solution

The fourth proportional to 2,005,740.80, 2,767,905.91 and 1,087,967.64 is: 1,501,386.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,740.80 : 2,767,905.91 = 1,087,967.64 : x
  2. Step 2: Convert to fraction form
    2,005,740.80/2,767,905.91 = 1,087,967.64/x
  3. Step 3: Cross multiply
    2,005,740.80x = 2,767,905.91 × 1,087,967.64
  4. Step 4: Simplify right side
    2,005,740.80x = 3,011,392,060,644.75
  5. Step 5: Solve for x
    x = 3,011,392,060,644.75/2,005,740.80
  6. Step 6: Final answer
    x = 1,501,386.45

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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.