Home / 3,109,104.84-4,290,451.36-1,732,377.40

Finding the Fourth Proportional to 3,109,104.84, 4,290,451.36 and 1,732,377.40

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Solution

The fourth proportional to 3,109,104.84, 4,290,451.36 and 1,732,377.40 is: 2,390,617.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,104.84 : 4,290,451.36 = 1,732,377.40 : x
  2. Step 2: Convert to fraction form
    3,109,104.84/4,290,451.36 = 1,732,377.40/x
  3. Step 3: Cross multiply
    3,109,104.84x = 4,290,451.36 × 1,732,377.40
  4. Step 4: Simplify right side
    3,109,104.84x = 7,432,680,971,863.27
  5. Step 5: Solve for x
    x = 7,432,680,971,863.27/3,109,104.84
  6. Step 6: Final answer
    x = 2,390,617.67

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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.