Home / 3,261,696.80-4,892,545.20-2,778,807.20

Finding the Fourth Proportional to 3,261,696.80, 4,892,545.20 and 2,778,807.20

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Solution

The fourth proportional to 3,261,696.80, 4,892,545.20 and 2,778,807.20 is: 4,168,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261,696.80 : 4,892,545.20 = 2,778,807.20 : x
  2. Step 2: Convert to fraction form
    3,261,696.80/4,892,545.20 = 2,778,807.20/x
  3. Step 3: Cross multiply
    3,261,696.80x = 4,892,545.20 × 2,778,807.20
  4. Step 4: Simplify right side
    3,261,696.80x = 13,595,439,828,085.44
  5. Step 5: Solve for x
    x = 13,595,439,828,085.44/3,261,696.80
  6. Step 6: Final answer
    x = 4,168,210.80

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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.