Home / 3,189,956.40-4,402,041.12-1,813,450.32

Finding the Fourth Proportional to 3,189,956.40, 4,402,041.12 and 1,813,450.32

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Solution

The fourth proportional to 3,189,956.40, 4,402,041.12 and 1,813,450.32 is: 2,502,505.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,956.40 : 4,402,041.12 = 1,813,450.32 : x
  2. Step 2: Convert to fraction form
    3,189,956.40/4,402,041.12 = 1,813,450.32/x
  3. Step 3: Cross multiply
    3,189,956.40x = 4,402,041.12 × 1,813,450.32
  4. Step 4: Simplify right side
    3,189,956.40x = 7,982,882,877,717.16
  5. Step 5: Solve for x
    x = 7,982,882,877,717.16/3,189,956.40
  6. Step 6: Final answer
    x = 2,502,505.33

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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.