Home / 3,075,062.49-4,242,869.78-1,785,137.09

Finding the Fourth Proportional to 3,075,062.49, 4,242,869.78 and 1,785,137.09

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Solution

The fourth proportional to 3,075,062.49, 4,242,869.78 and 1,785,137.09 is: 2,463,073.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075,062.49 : 4,242,869.78 = 1,785,137.09 : x
  2. Step 2: Convert to fraction form
    3,075,062.49/4,242,869.78 = 1,785,137.09/x
  3. Step 3: Cross multiply
    3,075,062.49x = 4,242,869.78 × 1,785,137.09
  4. Step 4: Simplify right side
    3,075,062.49x = 7,574,104,182,178.11
  5. Step 5: Solve for x
    x = 7,574,104,182,178.11/3,075,062.49
  6. Step 6: Final answer
    x = 2,463,073.26

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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.