Home / 2,913,102.91-4,020,321.32-1,606,610.47

Finding the Fourth Proportional to 2,913,102.91, 4,020,321.32 and 1,606,610.47

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Solution

The fourth proportional to 2,913,102.91, 4,020,321.32 and 1,606,610.47 is: 2,217,254.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913,102.91 : 4,020,321.32 = 1,606,610.47 : x
  2. Step 2: Convert to fraction form
    2,913,102.91/4,020,321.32 = 1,606,610.47/x
  3. Step 3: Cross multiply
    2,913,102.91x = 4,020,321.32 × 1,606,610.47
  4. Step 4: Simplify right side
    2,913,102.91x = 6,459,090,311,339.61
  5. Step 5: Solve for x
    x = 6,459,090,311,339.61/2,913,102.91
  6. Step 6: Final answer
    x = 2,217,254.42

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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.