Home / 1,977,481.54-2,966,222.28-912,208.42

Finding the Fourth Proportional to 1,977,481.54, 2,966,222.28 and 912,208.42

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Solution

The fourth proportional to 1,977,481.54, 2,966,222.28 and 912,208.42 is: 1,368,312.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,481.54 : 2,966,222.28 = 912,208.42 : x
  2. Step 2: Convert to fraction form
    1,977,481.54/2,966,222.28 = 912,208.42/x
  3. Step 3: Cross multiply
    1,977,481.54x = 2,966,222.28 × 912,208.42
  4. Step 4: Simplify right side
    1,977,481.54x = 2,705,812,939,407.60
  5. Step 5: Solve for x
    x = 2,705,812,939,407.60/1,977,481.54
  6. Step 6: Final answer
    x = 1,368,312.62

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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.