Home / 5,091,780.84-7,026,666-2,768,671.20

Finding the Fourth Proportional to 5,091,780.84, 7,026,666 and 2,768,671.20

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Solution

The fourth proportional to 5,091,780.84, 7,026,666 and 2,768,671.20 is: 3,820,770.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091,780.84 : 7,026,666 = 2,768,671.20 : x
  2. Step 2: Convert to fraction form
    5,091,780.84/7,026,666 = 2,768,671.20/x
  3. Step 3: Cross multiply
    5,091,780.84x = 7,026,666 × 2,768,671.20
  4. Step 4: Simplify right side
    5,091,780.84x = 19,454,527,786,219.20
  5. Step 5: Solve for x
    x = 19,454,527,786,219.20/5,091,780.84
  6. Step 6: Final answer
    x = 3,820,770.85

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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.