Home / 1,977,989.04-2,967,516.12-1,017,921.48

Finding the Fourth Proportional to 1,977,989.04, 2,967,516.12 and 1,017,921.48

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Solution

The fourth proportional to 1,977,989.04, 2,967,516.12 and 1,017,921.48 is: 1,527,156.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,989.04 : 2,967,516.12 = 1,017,921.48 : x
  2. Step 2: Convert to fraction form
    1,977,989.04/2,967,516.12 = 1,017,921.48/x
  3. Step 3: Cross multiply
    1,977,989.04x = 2,967,516.12 × 1,017,921.48
  4. Step 4: Simplify right side
    1,977,989.04x = 3,020,698,400,794.26
  5. Step 5: Solve for x
    x = 3,020,698,400,794.26/1,977,989.04
  6. Step 6: Final answer
    x = 1,527,156.29

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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.