Home / 3,500,779.60-5,240,671.80-2,080,104.40

Finding the Fourth Proportional to 3,500,779.60, 5,240,671.80 and 2,080,104.40

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Solution

The fourth proportional to 3,500,779.60, 5,240,671.80 and 2,080,104.40 is: 3,113,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500,779.60 : 5,240,671.80 = 2,080,104.40 : x
  2. Step 2: Convert to fraction form
    3,500,779.60/5,240,671.80 = 2,080,104.40/x
  3. Step 3: Cross multiply
    3,500,779.60x = 5,240,671.80 × 2,080,104.40
  4. Step 4: Simplify right side
    3,500,779.60x = 10,901,144,470,135.92
  5. Step 5: Solve for x
    x = 10,901,144,470,135.92/3,500,779.60
  6. Step 6: Final answer
    x = 3,113,919.10

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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.