Home / 4,188,505.14-6,276,944.95-1,908,457.40

Finding the Fourth Proportional to 4,188,505.14, 6,276,944.95 and 1,908,457.40

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Solution

The fourth proportional to 4,188,505.14, 6,276,944.95 and 1,908,457.40 is: 2,860,037.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188,505.14 : 6,276,944.95 = 1,908,457.40 : x
  2. Step 2: Convert to fraction form
    4,188,505.14/6,276,944.95 = 1,908,457.40/x
  3. Step 3: Cross multiply
    4,188,505.14x = 6,276,944.95 × 1,908,457.40
  4. Step 4: Simplify right side
    4,188,505.14x = 11,979,282,050,141.35
  5. Step 5: Solve for x
    x = 11,979,282,050,141.35/4,188,505.14
  6. Step 6: Final answer
    x = 2,860,037.57

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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.