Home / 7,292,805.80-10,939,208.70-1,974,021.80

Finding the Fourth Proportional to 7,292,805.80, 10,939,208.70 and 1,974,021.80

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Solution

The fourth proportional to 7,292,805.80, 10,939,208.70 and 1,974,021.80 is: 2,961,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,292,805.80 : 10,939,208.70 = 1,974,021.80 : x
  2. Step 2: Convert to fraction form
    7,292,805.80/10,939,208.70 = 1,974,021.80/x
  3. Step 3: Cross multiply
    7,292,805.80x = 10,939,208.70 × 1,974,021.80
  4. Step 4: Simplify right side
    7,292,805.80x = 21,594,236,448,549.66
  5. Step 5: Solve for x
    x = 21,594,236,448,549.66/7,292,805.80
  6. Step 6: Final answer
    x = 2,961,032.70

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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.