Home / 4,200,038.40-6,300,979.20-1,359,667.20

Finding the Fourth Proportional to 4,200,038.40, 6,300,979.20 and 1,359,667.20

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Solution

The fourth proportional to 4,200,038.40, 6,300,979.20 and 1,359,667.20 is: 2,039,799.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200,038.40 : 6,300,979.20 = 1,359,667.20 : x
  2. Step 2: Convert to fraction form
    4,200,038.40/6,300,979.20 = 1,359,667.20/x
  3. Step 3: Cross multiply
    4,200,038.40x = 6,300,979.20 × 1,359,667.20
  4. Step 4: Simplify right side
    4,200,038.40x = 8,567,234,746,122.24
  5. Step 5: Solve for x
    x = 8,567,234,746,122.24/4,200,038.40
  6. Step 6: Final answer
    x = 2,039,799.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.