Home / 2,896,938.80-4,345,926.60-1,214,212.40

Finding the Fourth Proportional to 2,896,938.80, 4,345,926.60 and 1,214,212.40

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Solution

The fourth proportional to 2,896,938.80, 4,345,926.60 and 1,214,212.40 is: 1,821,535.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896,938.80 : 4,345,926.60 = 1,214,212.40 : x
  2. Step 2: Convert to fraction form
    2,896,938.80/4,345,926.60 = 1,214,212.40/x
  3. Step 3: Cross multiply
    2,896,938.80x = 4,345,926.60 × 1,214,212.40
  4. Step 4: Simplify right side
    2,896,938.80x = 5,276,877,967,209.84
  5. Step 5: Solve for x
    x = 5,276,877,967,209.84/2,896,938.80
  6. Step 6: Final answer
    x = 1,821,535.88

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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.