Home / 1,820,030.40-2,728,733.40-1,021,556.70

Finding the Fourth Proportional to 1,820,030.40, 2,728,733.40 and 1,021,556.70

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Solution

The fourth proportional to 1,820,030.40, 2,728,733.40 and 1,021,556.70 is: 1,531,598.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,030.40 : 2,728,733.40 = 1,021,556.70 : x
  2. Step 2: Convert to fraction form
    1,820,030.40/2,728,733.40 = 1,021,556.70/x
  3. Step 3: Cross multiply
    1,820,030.40x = 2,728,733.40 × 1,021,556.70
  4. Step 4: Simplify right side
    1,820,030.40x = 2,787,555,887,283.78
  5. Step 5: Solve for x
    x = 2,787,555,887,283.78/1,820,030.40
  6. Step 6: Final answer
    x = 1,531,598.53

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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.