Home / 1,870,560.81-2,581,372.80-1,011,121.11

Finding the Fourth Proportional to 1,870,560.81, 2,581,372.80 and 1,011,121.11

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Solution

The fourth proportional to 1,870,560.81, 2,581,372.80 and 1,011,121.11 is: 1,395,346.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,560.81 : 2,581,372.80 = 1,011,121.11 : x
  2. Step 2: Convert to fraction form
    1,870,560.81/2,581,372.80 = 1,011,121.11/x
  3. Step 3: Cross multiply
    1,870,560.81x = 2,581,372.80 × 1,011,121.11
  4. Step 4: Simplify right side
    1,870,560.81x = 2,610,080,530,859.81
  5. Step 5: Solve for x
    x = 2,610,080,530,859.81/1,870,560.81
  6. Step 6: Final answer
    x = 1,395,346.53

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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.