Home / 4,200,145.20-6,296,070.60-2,068,484.40

Finding the Fourth Proportional to 4,200,145.20, 6,296,070.60 and 2,068,484.40

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Solution

The fourth proportional to 4,200,145.20, 6,296,070.60 and 2,068,484.40 is: 3,100,684.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200,145.20 : 6,296,070.60 = 2,068,484.40 : x
  2. Step 2: Convert to fraction form
    4,200,145.20/6,296,070.60 = 2,068,484.40/x
  3. Step 3: Cross multiply
    4,200,145.20x = 6,296,070.60 × 2,068,484.40
  4. Step 4: Simplify right side
    4,200,145.20x = 13,023,323,817,398.64
  5. Step 5: Solve for x
    x = 13,023,323,817,398.64/4,200,145.20
  6. Step 6: Final answer
    x = 3,100,684.19

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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.