Home / 2,106,436.32-3,159,051.30-686,616.48

Finding the Fourth Proportional to 2,106,436.32, 3,159,051.30 and 686,616.48

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Solution

The fourth proportional to 2,106,436.32, 3,159,051.30 and 686,616.48 is: 1,029,728.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,436.32 : 3,159,051.30 = 686,616.48 : x
  2. Step 2: Convert to fraction form
    2,106,436.32/3,159,051.30 = 686,616.48/x
  3. Step 3: Cross multiply
    2,106,436.32x = 3,159,051.30 × 686,616.48
  4. Step 4: Simplify right side
    2,106,436.32x = 2,169,056,683,745.42
  5. Step 5: Solve for x
    x = 2,169,056,683,745.42/2,106,436.32
  6. Step 6: Final answer
    x = 1,029,728.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.