Home / 2,039,699.12-2,814,726.03-1,121,928.22

Finding the Fourth Proportional to 2,039,699.12, 2,814,726.03 and 1,121,928.22

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Solution

The fourth proportional to 2,039,699.12, 2,814,726.03 and 1,121,928.22 is: 1,548,228.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039,699.12 : 2,814,726.03 = 1,121,928.22 : x
  2. Step 2: Convert to fraction form
    2,039,699.12/2,814,726.03 = 1,121,928.22/x
  3. Step 3: Cross multiply
    2,039,699.12x = 2,814,726.03 × 1,121,928.22
  4. Step 4: Simplify right side
    2,039,699.12x = 3,157,920,551,259.22
  5. Step 5: Solve for x
    x = 3,157,920,551,259.22/2,039,699.12
  6. Step 6: Final answer
    x = 1,548,228.62

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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.