Home / 2,946,823.59-4,420,221.72-816,900.65

Finding the Fourth Proportional to 2,946,823.59, 4,420,221.72 and 816,900.65

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Solution

The fourth proportional to 2,946,823.59, 4,420,221.72 and 816,900.65 is: 1,225,347.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946,823.59 : 4,420,221.72 = 816,900.65 : x
  2. Step 2: Convert to fraction form
    2,946,823.59/4,420,221.72 = 816,900.65/x
  3. Step 3: Cross multiply
    2,946,823.59x = 4,420,221.72 × 816,900.65
  4. Step 4: Simplify right side
    2,946,823.59x = 3,610,881,996,212.12
  5. Step 5: Solve for x
    x = 3,610,881,996,212.12/2,946,823.59
  6. Step 6: Final answer
    x = 1,225,347.19

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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.