Home / 1,683,319.32-2,321,442.18-1,315,845

Finding the Fourth Proportional to 1,683,319.32, 2,321,442.18 and 1,315,845

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Solution

The fourth proportional to 1,683,319.32, 2,321,442.18 and 1,315,845 is: 1,814,663.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,319.32 : 2,321,442.18 = 1,315,845 : x
  2. Step 2: Convert to fraction form
    1,683,319.32/2,321,442.18 = 1,315,845/x
  3. Step 3: Cross multiply
    1,683,319.32x = 2,321,442.18 × 1,315,845
  4. Step 4: Simplify right side
    1,683,319.32x = 3,054,658,085,342.10
  5. Step 5: Solve for x
    x = 3,054,658,085,342.10/1,683,319.32
  6. Step 6: Final answer
    x = 1,814,663.47

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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.