Home / 2,021,524.40-2,788,696.55-1,205,152.85

Finding the Fourth Proportional to 2,021,524.40, 2,788,696.55 and 1,205,152.85

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Solution

The fourth proportional to 2,021,524.40, 2,788,696.55 and 1,205,152.85 is: 1,662,510.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,524.40 : 2,788,696.55 = 1,205,152.85 : x
  2. Step 2: Convert to fraction form
    2,021,524.40/2,788,696.55 = 1,205,152.85/x
  3. Step 3: Cross multiply
    2,021,524.40x = 2,788,696.55 × 1,205,152.85
  4. Step 4: Simplify right side
    2,021,524.40x = 3,360,805,575,048.42
  5. Step 5: Solve for x
    x = 3,360,805,575,048.42/2,021,524.40
  6. Step 6: Final answer
    x = 1,662,510.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.