Home / 2,015,426.12-2,781,484.50-1,505,242.76

Finding the Fourth Proportional to 2,015,426.12, 2,781,484.50 and 1,505,242.76

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Solution

The fourth proportional to 2,015,426.12, 2,781,484.50 and 1,505,242.76 is: 2,077,381.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,426.12 : 2,781,484.50 = 1,505,242.76 : x
  2. Step 2: Convert to fraction form
    2,015,426.12/2,781,484.50 = 1,505,242.76/x
  3. Step 3: Cross multiply
    2,015,426.12x = 2,781,484.50 × 1,505,242.76
  4. Step 4: Simplify right side
    2,015,426.12x = 4,186,809,405,677.22
  5. Step 5: Solve for x
    x = 4,186,809,405,677.22/2,015,426.12
  6. Step 6: Final answer
    x = 2,077,381.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.