Home / 2,889,496.90-4,331,134.95-1,091,685.70

Finding the Fourth Proportional to 2,889,496.90, 4,331,134.95 and 1,091,685.70

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Solution

The fourth proportional to 2,889,496.90, 4,331,134.95 and 1,091,685.70 is: 1,636,353.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,496.90 : 4,331,134.95 = 1,091,685.70 : x
  2. Step 2: Convert to fraction form
    2,889,496.90/4,331,134.95 = 1,091,685.70/x
  3. Step 3: Cross multiply
    2,889,496.90x = 4,331,134.95 × 1,091,685.70
  4. Step 4: Simplify right side
    2,889,496.90x = 4,728,238,089,685.22
  5. Step 5: Solve for x
    x = 4,728,238,089,685.22/2,889,496.90
  6. Step 6: Final answer
    x = 1,636,353.40

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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.