Home / 2,153,285.40-3,228,372.90-1,206,946.20

Finding the Fourth Proportional to 2,153,285.40, 3,228,372.90 and 1,206,946.20

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Solution

The fourth proportional to 2,153,285.40, 3,228,372.90 and 1,206,946.20 is: 1,809,547.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,285.40 : 3,228,372.90 = 1,206,946.20 : x
  2. Step 2: Convert to fraction form
    2,153,285.40/3,228,372.90 = 1,206,946.20/x
  3. Step 3: Cross multiply
    2,153,285.40x = 3,228,372.90 × 1,206,946.20
  4. Step 4: Simplify right side
    2,153,285.40x = 3,896,472,403,837.98
  5. Step 5: Solve for x
    x = 3,896,472,403,837.98/2,153,285.40
  6. Step 6: Final answer
    x = 1,809,547.59

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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.