Home / 2,685,133.80-4,027,700.70-912,205.80

Finding the Fourth Proportional to 2,685,133.80, 4,027,700.70 and 912,205.80

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Solution

The fourth proportional to 2,685,133.80, 4,027,700.70 and 912,205.80 is: 1,368,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,133.80 : 4,027,700.70 = 912,205.80 : x
  2. Step 2: Convert to fraction form
    2,685,133.80/4,027,700.70 = 912,205.80/x
  3. Step 3: Cross multiply
    2,685,133.80x = 4,027,700.70 × 912,205.80
  4. Step 4: Simplify right side
    2,685,133.80x = 3,674,091,939,204.06
  5. Step 5: Solve for x
    x = 3,674,091,939,204.06/2,685,133.80
  6. Step 6: Final answer
    x = 1,368,308.70

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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.