Home / 3,011,112.80-4,155,339.64-1,634,455.60

Finding the Fourth Proportional to 3,011,112.80, 4,155,339.64 and 1,634,455.60

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Solution

The fourth proportional to 3,011,112.80, 4,155,339.64 and 1,634,455.60 is: 2,255,550.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011,112.80 : 4,155,339.64 = 1,634,455.60 : x
  2. Step 2: Convert to fraction form
    3,011,112.80/4,155,339.64 = 1,634,455.60/x
  3. Step 3: Cross multiply
    3,011,112.80x = 4,155,339.64 × 1,634,455.60
  4. Step 4: Simplify right side
    3,011,112.80x = 6,791,718,144,499.99
  5. Step 5: Solve for x
    x = 6,791,718,144,499.99/3,011,112.80
  6. Step 6: Final answer
    x = 2,255,550.89

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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.