Home / 1,878,221.57-2,817,450.20-530,489.70

Finding the Fourth Proportional to 1,878,221.57, 2,817,450.20 and 530,489.70

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Solution

The fourth proportional to 1,878,221.57, 2,817,450.20 and 530,489.70 is: 795,767.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,221.57 : 2,817,450.20 = 530,489.70 : x
  2. Step 2: Convert to fraction form
    1,878,221.57/2,817,450.20 = 530,489.70/x
  3. Step 3: Cross multiply
    1,878,221.57x = 2,817,450.20 × 530,489.70
  4. Step 4: Simplify right side
    1,878,221.57x = 1,494,628,312,689.16
  5. Step 5: Solve for x
    x = 1,494,628,312,689.16/1,878,221.57
  6. Step 6: Final answer
    x = 795,767.84

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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.