Home / 3,643,907.80-5,465,861.70-1,280,003.80

Finding the Fourth Proportional to 3,643,907.80, 5,465,861.70 and 1,280,003.80

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Solution

The fourth proportional to 3,643,907.80, 5,465,861.70 and 1,280,003.80 is: 1,920,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643,907.80 : 5,465,861.70 = 1,280,003.80 : x
  2. Step 2: Convert to fraction form
    3,643,907.80/5,465,861.70 = 1,280,003.80/x
  3. Step 3: Cross multiply
    3,643,907.80x = 5,465,861.70 × 1,280,003.80
  4. Step 4: Simplify right side
    3,643,907.80x = 6,996,323,746,274.46
  5. Step 5: Solve for x
    x = 6,996,323,746,274.46/3,643,907.80
  6. Step 6: Final answer
    x = 1,920,005.70

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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.