Home / 1,918,052.68-2,646,999.06-1,102,521.16

Finding the Fourth Proportional to 1,918,052.68, 2,646,999.06 and 1,102,521.16

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Solution

The fourth proportional to 1,918,052.68, 2,646,999.06 and 1,102,521.16 is: 1,521,528.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,052.68 : 2,646,999.06 = 1,102,521.16 : x
  2. Step 2: Convert to fraction form
    1,918,052.68/2,646,999.06 = 1,102,521.16/x
  3. Step 3: Cross multiply
    1,918,052.68x = 2,646,999.06 × 1,102,521.16
  4. Step 4: Simplify right side
    1,918,052.68x = 2,918,372,474,150.11
  5. Step 5: Solve for x
    x = 2,918,372,474,150.11/1,918,052.68
  6. Step 6: Final answer
    x = 1,521,528.84

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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.