Home / 2,126,701-2,934,342.93-1,208,857.89

Finding the Fourth Proportional to 2,126,701, 2,934,342.93 and 1,208,857.89

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Solution

The fourth proportional to 2,126,701, 2,934,342.93 and 1,208,857.89 is: 1,667,937.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,701 : 2,934,342.93 = 1,208,857.89 : x
  2. Step 2: Convert to fraction form
    2,126,701/2,934,342.93 = 1,208,857.89/x
  3. Step 3: Cross multiply
    2,126,701x = 2,934,342.93 × 1,208,857.89
  4. Step 4: Simplify right side
    2,126,701x = 3,547,203,602,896.22
  5. Step 5: Solve for x
    x = 3,547,203,602,896.22/2,126,701
  6. Step 6: Final answer
    x = 1,667,937.15

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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.