Home / 2,946,986.35-4,420,479.72-817,070.52

Finding the Fourth Proportional to 2,946,986.35, 4,420,479.72 and 817,070.52

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Solution

The fourth proportional to 2,946,986.35, 4,420,479.72 and 817,070.52 is: 1,225,605.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946,986.35 : 4,420,479.72 = 817,070.52 : x
  2. Step 2: Convert to fraction form
    2,946,986.35/4,420,479.72 = 817,070.52/x
  3. Step 3: Cross multiply
    2,946,986.35x = 4,420,479.72 × 817,070.52
  4. Step 4: Simplify right side
    2,946,986.35x = 3,611,843,683,110.67
  5. Step 5: Solve for x
    x = 3,611,843,683,110.67/2,946,986.35
  6. Step 6: Final answer
    x = 1,225,605.84

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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.