Home / 1,836,019.40-2,754,029.10-1,338,355.40

Finding the Fourth Proportional to 1,836,019.40, 2,754,029.10 and 1,338,355.40

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Solution

The fourth proportional to 1,836,019.40, 2,754,029.10 and 1,338,355.40 is: 2,007,533.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836,019.40 : 2,754,029.10 = 1,338,355.40 : x
  2. Step 2: Convert to fraction form
    1,836,019.40/2,754,029.10 = 1,338,355.40/x
  3. Step 3: Cross multiply
    1,836,019.40x = 2,754,029.10 × 1,338,355.40
  4. Step 4: Simplify right side
    1,836,019.40x = 3,685,869,717,742.14
  5. Step 5: Solve for x
    x = 3,685,869,717,742.14/1,836,019.40
  6. Step 6: Final answer
    x = 2,007,533.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.