Home / 1,610,028.14-2,220,913.66-1,005,366.38

Finding the Fourth Proportional to 1,610,028.14, 2,220,913.66 and 1,005,366.38

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Solution

The fourth proportional to 1,610,028.14, 2,220,913.66 and 1,005,366.38 is: 1,386,827.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610,028.14 : 2,220,913.66 = 1,005,366.38 : x
  2. Step 2: Convert to fraction form
    1,610,028.14/2,220,913.66 = 1,005,366.38/x
  3. Step 3: Cross multiply
    1,610,028.14x = 2,220,913.66 × 1,005,366.38
  4. Step 4: Simplify right side
    1,610,028.14x = 2,232,831,926,646.75
  5. Step 5: Solve for x
    x = 2,232,831,926,646.75/1,610,028.14
  6. Step 6: Final answer
    x = 1,386,827.89

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1.5x scale

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.