Home / 2,877,480.60-4,319,720.10-1,456,805.40

Finding the Fourth Proportional to 2,877,480.60, 4,319,720.10 and 1,456,805.40

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Solution

The fourth proportional to 2,877,480.60, 4,319,720.10 and 1,456,805.40 is: 2,186,979.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,480.60 : 4,319,720.10 = 1,456,805.40 : x
  2. Step 2: Convert to fraction form
    2,877,480.60/4,319,720.10 = 1,456,805.40/x
  3. Step 3: Cross multiply
    2,877,480.60x = 4,319,720.10 × 1,456,805.40
  4. Step 4: Simplify right side
    2,877,480.60x = 6,292,991,568,168.54
  5. Step 5: Solve for x
    x = 6,292,991,568,168.54/2,877,480.60
  6. Step 6: Final answer
    x = 2,186,979.67

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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.