Home / 2,791,856.35-4,188,075.81-770,100.58

Finding the Fourth Proportional to 2,791,856.35, 4,188,075.81 and 770,100.58

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Solution

The fourth proportional to 2,791,856.35, 4,188,075.81 and 770,100.58 is: 1,155,231.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791,856.35 : 4,188,075.81 = 770,100.58 : x
  2. Step 2: Convert to fraction form
    2,791,856.35/4,188,075.81 = 770,100.58/x
  3. Step 3: Cross multiply
    2,791,856.35x = 4,188,075.81 × 770,100.58
  4. Step 4: Simplify right side
    2,791,856.35x = 3,225,239,610,364.97
  5. Step 5: Solve for x
    x = 3,225,239,610,364.97/2,791,856.35
  6. Step 6: Final answer
    x = 1,155,231.22

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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.