Home / 2,174,307.16-3,261,345.54-678,227.80

Finding the Fourth Proportional to 2,174,307.16, 3,261,345.54 and 678,227.80

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Solution

The fourth proportional to 2,174,307.16, 3,261,345.54 and 678,227.80 is: 1,017,305.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174,307.16 : 3,261,345.54 = 678,227.80 : x
  2. Step 2: Convert to fraction form
    2,174,307.16/3,261,345.54 = 678,227.80/x
  3. Step 3: Cross multiply
    2,174,307.16x = 3,261,345.54 × 678,227.80
  4. Step 4: Simplify right side
    2,174,307.16x = 2,211,935,210,634.01
  5. Step 5: Solve for x
    x = 2,211,935,210,634.01/2,174,307.16
  6. Step 6: Final answer
    x = 1,017,305.77

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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.