Home / 1,992,816.90-2,989,225.35-1,153,008.90

Finding the Fourth Proportional to 1,992,816.90, 2,989,225.35 and 1,153,008.90

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Solution

The fourth proportional to 1,992,816.90, 2,989,225.35 and 1,153,008.90 is: 1,729,513.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,816.90 : 2,989,225.35 = 1,153,008.90 : x
  2. Step 2: Convert to fraction form
    1,992,816.90/2,989,225.35 = 1,153,008.90/x
  3. Step 3: Cross multiply
    1,992,816.90x = 2,989,225.35 × 1,153,008.90
  4. Step 4: Simplify right side
    1,992,816.90x = 3,446,603,432,655.62
  5. Step 5: Solve for x
    x = 3,446,603,432,655.62/1,992,816.90
  6. Step 6: Final answer
    x = 1,729,513.35

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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.