Home / 3,405,749.12-4,700,045.77-1,955,702.51

Finding the Fourth Proportional to 3,405,749.12, 4,700,045.77 and 1,955,702.51

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Solution

The fourth proportional to 3,405,749.12, 4,700,045.77 and 1,955,702.51 is: 2,698,933.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405,749.12 : 4,700,045.77 = 1,955,702.51 : x
  2. Step 2: Convert to fraction form
    3,405,749.12/4,700,045.77 = 1,955,702.51/x
  3. Step 3: Cross multiply
    3,405,749.12x = 4,700,045.77 × 1,955,702.51
  4. Step 4: Simplify right side
    3,405,749.12x = 9,191,891,299,725.37
  5. Step 5: Solve for x
    x = 9,191,891,299,725.37/3,405,749.12
  6. Step 6: Final answer
    x = 2,698,933.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.