Home / 3,456,532.40-5,184,798.60-1,212,897.20

Finding the Fourth Proportional to 3,456,532.40, 5,184,798.60 and 1,212,897.20

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Solution

The fourth proportional to 3,456,532.40, 5,184,798.60 and 1,212,897.20 is: 1,819,345.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456,532.40 : 5,184,798.60 = 1,212,897.20 : x
  2. Step 2: Convert to fraction form
    3,456,532.40/5,184,798.60 = 1,212,897.20/x
  3. Step 3: Cross multiply
    3,456,532.40x = 5,184,798.60 × 1,212,897.20
  4. Step 4: Simplify right side
    3,456,532.40x = 6,288,627,704,503.92
  5. Step 5: Solve for x
    x = 6,288,627,704,503.92/3,456,532.40
  6. Step 6: Final answer
    x = 1,819,345.80

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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.