Home / 3,011,112.79-4,155,339.63-1,634,455.63

Finding the Fourth Proportional to 3,011,112.79, 4,155,339.63 and 1,634,455.63

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Solution

The fourth proportional to 3,011,112.79, 4,155,339.63 and 1,634,455.63 is: 2,255,550.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011,112.79 : 4,155,339.63 = 1,634,455.63 : x
  2. Step 2: Convert to fraction form
    3,011,112.79/4,155,339.63 = 1,634,455.63/x
  3. Step 3: Cross multiply
    3,011,112.79x = 4,155,339.63 × 1,634,455.63
  4. Step 4: Simplify right side
    3,011,112.79x = 6,791,718,252,815.62
  5. Step 5: Solve for x
    x = 6,791,718,252,815.62/3,011,112.79
  6. Step 6: Final answer
    x = 2,255,550.93

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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.