Home / 3,020,630.90-4,530,450.74-831,689.91

Finding the Fourth Proportional to 3,020,630.90, 4,530,450.74 and 831,689.91

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Solution

The fourth proportional to 3,020,630.90, 4,530,450.74 and 831,689.91 is: 1,247,398.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020,630.90 : 4,530,450.74 = 831,689.91 : x
  2. Step 2: Convert to fraction form
    3,020,630.90/4,530,450.74 = 831,689.91/x
  3. Step 3: Cross multiply
    3,020,630.90x = 4,530,450.74 × 831,689.91
  4. Step 4: Simplify right side
    3,020,630.90x = 3,767,930,164,051.58
  5. Step 5: Solve for x
    x = 3,767,930,164,051.58/3,020,630.90
  6. Step 6: Final answer
    x = 1,247,398.41

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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.