Home / 2,868,174.60-3,958,018.66-1,578,965.64

Finding the Fourth Proportional to 2,868,174.60, 3,958,018.66 and 1,578,965.64

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Solution

The fourth proportional to 2,868,174.60, 3,958,018.66 and 1,578,965.64 is: 2,178,938.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868,174.60 : 3,958,018.66 = 1,578,965.64 : x
  2. Step 2: Convert to fraction form
    2,868,174.60/3,958,018.66 = 1,578,965.64/x
  3. Step 3: Cross multiply
    2,868,174.60x = 3,958,018.66 × 1,578,965.64
  4. Step 4: Simplify right side
    2,868,174.60x = 6,249,575,466,618.84
  5. Step 5: Solve for x
    x = 6,249,575,466,618.84/2,868,174.60
  6. Step 6: Final answer
    x = 2,178,938.29

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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.