Home / 2,186,868.59-3,017,879.94-1,219,998.87

Finding the Fourth Proportional to 2,186,868.59, 3,017,879.94 and 1,219,998.87

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Solution

The fourth proportional to 2,186,868.59, 3,017,879.94 and 1,219,998.87 is: 1,683,599.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,868.59 : 3,017,879.94 = 1,219,998.87 : x
  2. Step 2: Convert to fraction form
    2,186,868.59/3,017,879.94 = 1,219,998.87/x
  3. Step 3: Cross multiply
    2,186,868.59x = 3,017,879.94 × 1,219,998.87
  4. Step 4: Simplify right side
    2,186,868.59x = 3,681,810,116,595.67
  5. Step 5: Solve for x
    x = 3,681,810,116,595.67/2,186,868.59
  6. Step 6: Final answer
    x = 1,683,599.16

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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.