Home / 2,101,900.71-2,900,631.84-1,184,140.86

Finding the Fourth Proportional to 2,101,900.71, 2,900,631.84 and 1,184,140.86

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Solution

The fourth proportional to 2,101,900.71, 2,900,631.84 and 1,184,140.86 is: 1,634,119.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,900.71 : 2,900,631.84 = 1,184,140.86 : x
  2. Step 2: Convert to fraction form
    2,101,900.71/2,900,631.84 = 1,184,140.86/x
  3. Step 3: Cross multiply
    2,101,900.71x = 2,900,631.84 × 1,184,140.86
  4. Step 4: Simplify right side
    2,101,900.71x = 3,434,756,681,560.98
  5. Step 5: Solve for x
    x = 3,434,756,681,560.98/2,101,900.71
  6. Step 6: Final answer
    x = 1,634,119.38

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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.