Home / 2,905,424.25-4,009,295.91-1,616,218.53

Finding the Fourth Proportional to 2,905,424.25, 4,009,295.91 and 1,616,218.53

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Solution

The fourth proportional to 2,905,424.25, 4,009,295.91 and 1,616,218.53 is: 2,230,276.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905,424.25 : 4,009,295.91 = 1,616,218.53 : x
  2. Step 2: Convert to fraction form
    2,905,424.25/4,009,295.91 = 1,616,218.53/x
  3. Step 3: Cross multiply
    2,905,424.25x = 4,009,295.91 × 1,616,218.53
  4. Step 4: Simplify right side
    2,905,424.25x = 6,479,898,341,995.21
  5. Step 5: Solve for x
    x = 6,479,898,341,995.21/2,905,424.25
  6. Step 6: Final answer
    x = 2,230,276.13

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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.