Home / 1,848,530.70-2,768,130.45-1,214,009.10

Finding the Fourth Proportional to 1,848,530.70, 2,768,130.45 and 1,214,009.10

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Solution

The fourth proportional to 1,848,530.70, 2,768,130.45 and 1,214,009.10 is: 1,817,949.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848,530.70 : 2,768,130.45 = 1,214,009.10 : x
  2. Step 2: Convert to fraction form
    1,848,530.70/2,768,130.45 = 1,214,009.10/x
  3. Step 3: Cross multiply
    1,848,530.70x = 2,768,130.45 × 1,214,009.10
  4. Step 4: Simplify right side
    1,848,530.70x = 3,360,535,556,287.10
  5. Step 5: Solve for x
    x = 3,360,535,556,287.10/1,848,530.70
  6. Step 6: Final answer
    x = 1,817,949.55

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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.