Home / 1,543,946.16-2,126,241.36-1,389,670.32

Finding the Fourth Proportional to 1,543,946.16, 2,126,241.36 and 1,389,670.32

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Solution

The fourth proportional to 1,543,946.16, 2,126,241.36 and 1,389,670.32 is: 1,913,780.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,946.16 : 2,126,241.36 = 1,389,670.32 : x
  2. Step 2: Convert to fraction form
    1,543,946.16/2,126,241.36 = 1,389,670.32/x
  3. Step 3: Cross multiply
    1,543,946.16x = 2,126,241.36 × 1,389,670.32
  4. Step 4: Simplify right side
    1,543,946.16x = 2,954,774,511,148.44
  5. Step 5: Solve for x
    x = 2,954,774,511,148.44/1,543,946.16
  6. Step 6: Final answer
    x = 1,913,780.80

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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.