Home / 3,115,763.60-4,673,645.40-1,772,070.80

Finding the Fourth Proportional to 3,115,763.60, 4,673,645.40 and 1,772,070.80

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Solution

The fourth proportional to 3,115,763.60, 4,673,645.40 and 1,772,070.80 is: 2,658,106.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,763.60 : 4,673,645.40 = 1,772,070.80 : x
  2. Step 2: Convert to fraction form
    3,115,763.60/4,673,645.40 = 1,772,070.80/x
  3. Step 3: Cross multiply
    3,115,763.60x = 4,673,645.40 × 1,772,070.80
  4. Step 4: Simplify right side
    3,115,763.60x = 8,282,030,542,894.32
  5. Step 5: Solve for x
    x = 8,282,030,542,894.32/3,115,763.60
  6. Step 6: Final answer
    x = 2,658,106.20

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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.