Home / 2,137,750.65-2,950,143.73-1,219,961.52

Finding the Fourth Proportional to 2,137,750.65, 2,950,143.73 and 1,219,961.52

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Solution

The fourth proportional to 2,137,750.65, 2,950,143.73 and 1,219,961.52 is: 1,683,574.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137,750.65 : 2,950,143.73 = 1,219,961.52 : x
  2. Step 2: Convert to fraction form
    2,137,750.65/2,950,143.73 = 1,219,961.52/x
  3. Step 3: Cross multiply
    2,137,750.65x = 2,950,143.73 × 1,219,961.52
  4. Step 4: Simplify right side
    2,137,750.65x = 3,599,061,826,019.37
  5. Step 5: Solve for x
    x = 3,599,061,826,019.37/2,137,750.65
  6. Step 6: Final answer
    x = 1,683,574.19

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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.