Home / 2,930,151.70-4,043,416.89-1,640,696.50

Finding the Fourth Proportional to 2,930,151.70, 4,043,416.89 and 1,640,696.50

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Solution

The fourth proportional to 2,930,151.70, 4,043,416.89 and 1,640,696.50 is: 2,264,053.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930,151.70 : 4,043,416.89 = 1,640,696.50 : x
  2. Step 2: Convert to fraction form
    2,930,151.70/4,043,416.89 = 1,640,696.50/x
  3. Step 3: Cross multiply
    2,930,151.70x = 4,043,416.89 × 1,640,696.50
  4. Step 4: Simplify right side
    2,930,151.70x = 6,634,019,939,463.89
  5. Step 5: Solve for x
    x = 6,634,019,939,463.89/2,930,151.70
  6. Step 6: Final answer
    x = 2,264,053.41

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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.