Home / 1,870,676.28-2,581,516.80-1,011,228.84

Finding the Fourth Proportional to 1,870,676.28, 2,581,516.80 and 1,011,228.84

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Solution

The fourth proportional to 1,870,676.28, 2,581,516.80 and 1,011,228.84 is: 1,395,486.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,676.28 : 2,581,516.80 = 1,011,228.84 : x
  2. Step 2: Convert to fraction form
    1,870,676.28/2,581,516.80 = 1,011,228.84/x
  3. Step 3: Cross multiply
    1,870,676.28x = 2,581,516.80 × 1,011,228.84
  4. Step 4: Simplify right side
    1,870,676.28x = 2,610,504,239,104.51
  5. Step 5: Solve for x
    x = 2,610,504,239,104.51/1,870,676.28
  6. Step 6: Final answer
    x = 1,395,486.90

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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.