Home / 2,186,502.32-3,017,377.80-1,219,607.76

Finding the Fourth Proportional to 2,186,502.32, 3,017,377.80 and 1,219,607.76

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Solution

The fourth proportional to 2,186,502.32, 3,017,377.80 and 1,219,607.76 is: 1,683,061.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,502.32 : 3,017,377.80 = 1,219,607.76 : x
  2. Step 2: Convert to fraction form
    2,186,502.32/3,017,377.80 = 1,219,607.76/x
  3. Step 3: Cross multiply
    2,186,502.32x = 3,017,377.80 × 1,219,607.76
  4. Step 4: Simplify right side
    2,186,502.32x = 3,680,017,379,731.73
  5. Step 5: Solve for x
    x = 3,680,017,379,731.73/2,186,502.32
  6. Step 6: Final answer
    x = 1,683,061.27

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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.