Home / 2,140,765.60-3,211,148.40-879,498.40

Finding the Fourth Proportional to 2,140,765.60, 3,211,148.40 and 879,498.40

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Solution

The fourth proportional to 2,140,765.60, 3,211,148.40 and 879,498.40 is: 1,319,247.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,765.60 : 3,211,148.40 = 879,498.40 : x
  2. Step 2: Convert to fraction form
    2,140,765.60/3,211,148.40 = 879,498.40/x
  3. Step 3: Cross multiply
    2,140,765.60x = 3,211,148.40 × 879,498.40
  4. Step 4: Simplify right side
    2,140,765.60x = 2,824,199,879,962.56
  5. Step 5: Solve for x
    x = 2,824,199,879,962.56/2,140,765.60
  6. Step 6: Final answer
    x = 1,319,247.60

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1.5x scale

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.