Home / 2,820,112.95-3,891,345.24-1,612,655.67

Finding the Fourth Proportional to 2,820,112.95, 3,891,345.24 and 1,612,655.67

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Solution

The fourth proportional to 2,820,112.95, 3,891,345.24 and 1,612,655.67 is: 2,225,230.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820,112.95 : 3,891,345.24 = 1,612,655.67 : x
  2. Step 2: Convert to fraction form
    2,820,112.95/3,891,345.24 = 1,612,655.67/x
  3. Step 3: Cross multiply
    2,820,112.95x = 3,891,345.24 × 1,612,655.67
  4. Step 4: Simplify right side
    2,820,112.95x = 6,275,399,965,213.51
  5. Step 5: Solve for x
    x = 6,275,399,965,213.51/2,820,112.95
  6. Step 6: Final answer
    x = 2,225,230.01

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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.