Home / 2,136,075.78-2,947,788.99-1,169,267.79

Finding the Fourth Proportional to 2,136,075.78, 2,947,788.99 and 1,169,267.79

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Solution

The fourth proportional to 2,136,075.78, 2,947,788.99 and 1,169,267.79 is: 1,613,591.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,075.78 : 2,947,788.99 = 1,169,267.79 : x
  2. Step 2: Convert to fraction form
    2,136,075.78/2,947,788.99 = 1,169,267.79/x
  3. Step 3: Cross multiply
    2,136,075.78x = 2,947,788.99 × 1,169,267.79
  4. Step 4: Simplify right side
    2,136,075.78x = 3,446,754,717,723.63
  5. Step 5: Solve for x
    x = 3,446,754,717,723.63/2,136,075.78
  6. Step 6: Final answer
    x = 1,613,591.97

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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.