Home / 2,889,529.74-4,334,915.78-840,225.93

Finding the Fourth Proportional to 2,889,529.74, 4,334,915.78 and 840,225.93

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Solution

The fourth proportional to 2,889,529.74, 4,334,915.78 and 840,225.93 is: 1,260,519.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,529.74 : 4,334,915.78 = 840,225.93 : x
  2. Step 2: Convert to fraction form
    2,889,529.74/4,334,915.78 = 840,225.93/x
  3. Step 3: Cross multiply
    2,889,529.74x = 4,334,915.78 × 840,225.93
  4. Step 4: Simplify right side
    2,889,529.74x = 3,642,308,625,415.96
  5. Step 5: Solve for x
    x = 3,642,308,625,415.96/2,889,529.74
  6. Step 6: Final answer
    x = 1,260,519.51

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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.