Home / 1,977,187.14-2,963,744.36-778,623.66

Finding the Fourth Proportional to 1,977,187.14, 2,963,744.36 and 778,623.66

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Solution

The fourth proportional to 1,977,187.14, 2,963,744.36 and 778,623.66 is: 1,167,133.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,187.14 : 2,963,744.36 = 778,623.66 : x
  2. Step 2: Convert to fraction form
    1,977,187.14/2,963,744.36 = 778,623.66/x
  3. Step 3: Cross multiply
    1,977,187.14x = 2,963,744.36 × 778,623.66
  4. Step 4: Simplify right side
    1,977,187.14x = 2,307,641,480,887.56
  5. Step 5: Solve for x
    x = 2,307,641,480,887.56/1,977,187.14
  6. Step 6: Final answer
    x = 1,167,133.57

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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.