Home / 3,021,150.43-4,526,681.05-2,120,980.62

Finding the Fourth Proportional to 3,021,150.43, 4,526,681.05 and 2,120,980.62

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Solution

The fourth proportional to 3,021,150.43, 4,526,681.05 and 2,120,980.62 is: 3,177,929.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021,150.43 : 4,526,681.05 = 2,120,980.62 : x
  2. Step 2: Convert to fraction form
    3,021,150.43/4,526,681.05 = 2,120,980.62/x
  3. Step 3: Cross multiply
    3,021,150.43x = 4,526,681.05 × 2,120,980.62
  4. Step 4: Simplify right side
    3,021,150.43x = 9,601,002,779,971.25
  5. Step 5: Solve for x
    x = 9,601,002,779,971.25/3,021,150.43
  6. Step 6: Final answer
    x = 3,177,929.40

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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.