Home / 4,119,631.16-5,686,562.25-2,811,947.20

Finding the Fourth Proportional to 4,119,631.16, 5,686,562.25 and 2,811,947.20

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Solution

The fourth proportional to 4,119,631.16, 5,686,562.25 and 2,811,947.20 is: 3,881,491.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119,631.16 : 5,686,562.25 = 2,811,947.20 : x
  2. Step 2: Convert to fraction form
    4,119,631.16/5,686,562.25 = 2,811,947.20/x
  3. Step 3: Cross multiply
    4,119,631.16x = 5,686,562.25 × 2,811,947.20
  4. Step 4: Simplify right side
    4,119,631.16x = 15,990,312,782,296.79
  5. Step 5: Solve for x
    x = 15,990,312,782,296.79/4,119,631.16
  6. Step 6: Final answer
    x = 3,881,491.37

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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.