Home / 2,075,947.16-2,864,742.12-1,217,079.45

Finding the Fourth Proportional to 2,075,947.16, 2,864,742.12 and 1,217,079.45

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Solution

The fourth proportional to 2,075,947.16, 2,864,742.12 and 1,217,079.45 is: 1,679,531.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,947.16 : 2,864,742.12 = 1,217,079.45 : x
  2. Step 2: Convert to fraction form
    2,075,947.16/2,864,742.12 = 1,217,079.45/x
  3. Step 3: Cross multiply
    2,075,947.16x = 2,864,742.12 × 1,217,079.45
  4. Step 4: Simplify right side
    2,075,947.16x = 3,486,618,763,801.43
  5. Step 5: Solve for x
    x = 3,486,618,763,801.43/2,075,947.16
  6. Step 6: Final answer
    x = 1,679,531.56

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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.