Home / 2,678,303.92-4,017,011.70-881,209.30

Finding the Fourth Proportional to 2,678,303.92, 4,017,011.70 and 881,209.30

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Solution

The fourth proportional to 2,678,303.92, 4,017,011.70 and 881,209.30 is: 1,321,667.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,303.92 : 4,017,011.70 = 881,209.30 : x
  2. Step 2: Convert to fraction form
    2,678,303.92/4,017,011.70 = 881,209.30/x
  3. Step 3: Cross multiply
    2,678,303.92x = 4,017,011.70 × 881,209.30
  4. Step 4: Simplify right side
    2,678,303.92x = 3,539,828,068,248.81
  5. Step 5: Solve for x
    x = 3,539,828,068,248.81/2,678,303.92
  6. Step 6: Final answer
    x = 1,321,667.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.