Home / 2,191,769.48-3,286,108.74-842,798.72

Finding the Fourth Proportional to 2,191,769.48, 3,286,108.74 and 842,798.72

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Solution

The fourth proportional to 2,191,769.48, 3,286,108.74 and 842,798.72 is: 1,263,603.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,769.48 : 3,286,108.74 = 842,798.72 : x
  2. Step 2: Convert to fraction form
    2,191,769.48/3,286,108.74 = 842,798.72/x
  3. Step 3: Cross multiply
    2,191,769.48x = 3,286,108.74 × 842,798.72
  4. Step 4: Simplify right side
    2,191,769.48x = 2,769,528,239,852.81
  5. Step 5: Solve for x
    x = 2,769,528,239,852.81/2,191,769.48
  6. Step 6: Final answer
    x = 1,263,603.80

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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.