Home / 2,772,078.60-4,158,117.90-1,703,656.20

Finding the Fourth Proportional to 2,772,078.60, 4,158,117.90 and 1,703,656.20

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Solution

The fourth proportional to 2,772,078.60, 4,158,117.90 and 1,703,656.20 is: 2,555,484.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,078.60 : 4,158,117.90 = 1,703,656.20 : x
  2. Step 2: Convert to fraction form
    2,772,078.60/4,158,117.90 = 1,703,656.20/x
  3. Step 3: Cross multiply
    2,772,078.60x = 4,158,117.90 × 1,703,656.20
  4. Step 4: Simplify right side
    2,772,078.60x = 7,084,003,340,665.98
  5. Step 5: Solve for x
    x = 7,084,003,340,665.98/2,772,078.60
  6. Step 6: Final answer
    x = 2,555,484.30

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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.