Home / 2,681,620.60-4,022,430.90-1,547,879.80

Finding the Fourth Proportional to 2,681,620.60, 4,022,430.90 and 1,547,879.80

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Solution

The fourth proportional to 2,681,620.60, 4,022,430.90 and 1,547,879.80 is: 2,321,819.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681,620.60 : 4,022,430.90 = 1,547,879.80 : x
  2. Step 2: Convert to fraction form
    2,681,620.60/4,022,430.90 = 1,547,879.80/x
  3. Step 3: Cross multiply
    2,681,620.60x = 4,022,430.90 × 1,547,879.80
  4. Step 4: Simplify right side
    2,681,620.60x = 6,226,239,537,005.82
  5. Step 5: Solve for x
    x = 6,226,239,537,005.82/2,681,620.60
  6. Step 6: Final answer
    x = 2,321,819.70

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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.