Home / 2,128,992.93-3,192,307.87-708,273.45

Finding the Fourth Proportional to 2,128,992.93, 3,192,307.87 and 708,273.45

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Solution

The fourth proportional to 2,128,992.93, 3,192,307.87 and 708,273.45 is: 1,062,017.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,992.93 : 3,192,307.87 = 708,273.45 : x
  2. Step 2: Convert to fraction form
    2,128,992.93/3,192,307.87 = 708,273.45/x
  3. Step 3: Cross multiply
    2,128,992.93x = 3,192,307.87 × 708,273.45
  4. Step 4: Simplify right side
    2,128,992.93x = 2,261,026,908,547.05
  5. Step 5: Solve for x
    x = 2,261,026,908,547.05/2,128,992.93
  6. Step 6: Final answer
    x = 1,062,017.11

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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.