Home / 1,621,094.70-2,431,638.78-1,522,445.98

Finding the Fourth Proportional to 1,621,094.70, 2,431,638.78 and 1,522,445.98

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Solution

The fourth proportional to 1,621,094.70, 2,431,638.78 and 1,522,445.98 is: 2,283,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,094.70 : 2,431,638.78 = 1,522,445.98 : x
  2. Step 2: Convert to fraction form
    1,621,094.70/2,431,638.78 = 1,522,445.98/x
  3. Step 3: Cross multiply
    1,621,094.70x = 2,431,638.78 × 1,522,445.98
  4. Step 4: Simplify right side
    1,621,094.70x = 3,702,038,685,423.10
  5. Step 5: Solve for x
    x = 3,702,038,685,423.10/1,621,094.70
  6. Step 6: Final answer
    x = 2,283,665.90

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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.