Home / 2,895,903.40-4,345,928.70-1,214,213.80

Finding the Fourth Proportional to 2,895,903.40, 4,345,928.70 and 1,214,213.80

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Solution

The fourth proportional to 2,895,903.40, 4,345,928.70 and 1,214,213.80 is: 1,822,190.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895,903.40 : 4,345,928.70 = 1,214,213.80 : x
  2. Step 2: Convert to fraction form
    2,895,903.40/4,345,928.70 = 1,214,213.80/x
  3. Step 3: Cross multiply
    2,895,903.40x = 4,345,928.70 × 1,214,213.80
  4. Step 4: Simplify right side
    2,895,903.40x = 5,276,886,601,356.06
  5. Step 5: Solve for x
    x = 5,276,886,601,356.06/2,895,903.40
  6. Step 6: Final answer
    x = 1,822,190.13

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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.