Home / 2,039,207.34-2,814,178.38-1,121,507.43

Finding the Fourth Proportional to 2,039,207.34, 2,814,178.38 and 1,121,507.43

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Solution

The fourth proportional to 2,039,207.34, 2,814,178.38 and 1,121,507.43 is: 1,547,719.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039,207.34 : 2,814,178.38 = 1,121,507.43 : x
  2. Step 2: Convert to fraction form
    2,039,207.34/2,814,178.38 = 1,121,507.43/x
  3. Step 3: Cross multiply
    2,039,207.34x = 2,814,178.38 × 1,121,507.43
  4. Step 4: Simplify right side
    2,039,207.34x = 3,156,121,962,515.36
  5. Step 5: Solve for x
    x = 3,156,121,962,515.36/2,039,207.34
  6. Step 6: Final answer
    x = 1,547,719.99

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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.