Home / 5,122,160.06-7,068,578.55-2,830,300.70

Finding the Fourth Proportional to 5,122,160.06, 7,068,578.55 and 2,830,300.70

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Solution

The fourth proportional to 5,122,160.06, 7,068,578.55 and 2,830,300.70 is: 3,905,813.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122,160.06 : 7,068,578.55 = 2,830,300.70 : x
  2. Step 2: Convert to fraction form
    5,122,160.06/7,068,578.55 = 2,830,300.70/x
  3. Step 3: Cross multiply
    5,122,160.06x = 7,068,578.55 × 2,830,300.70
  4. Step 4: Simplify right side
    5,122,160.06x = 20,006,202,818,069.98
  5. Step 5: Solve for x
    x = 20,006,202,818,069.98/5,122,160.06
  6. Step 6: Final answer
    x = 3,905,813.68

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1.5x scale

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.