Home / 2,763,009.20-4,144,513.80-768,465.20

Finding the Fourth Proportional to 2,763,009.20, 4,144,513.80 and 768,465.20

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Solution

The fourth proportional to 2,763,009.20, 4,144,513.80 and 768,465.20 is: 1,152,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763,009.20 : 4,144,513.80 = 768,465.20 : x
  2. Step 2: Convert to fraction form
    2,763,009.20/4,144,513.80 = 768,465.20/x
  3. Step 3: Cross multiply
    2,763,009.20x = 4,144,513.80 × 768,465.20
  4. Step 4: Simplify right side
    2,763,009.20x = 3,184,914,626,219.76
  5. Step 5: Solve for x
    x = 3,184,914,626,219.76/2,763,009.20
  6. Step 6: Final answer
    x = 1,152,697.80

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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.