Home / 1,820,639.51-2,505,741.32-1,336,437.71

Finding the Fourth Proportional to 1,820,639.51, 2,505,741.32 and 1,336,437.71

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Solution

The fourth proportional to 1,820,639.51, 2,505,741.32 and 1,336,437.71 is: 1,839,335.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,639.51 : 2,505,741.32 = 1,336,437.71 : x
  2. Step 2: Convert to fraction form
    1,820,639.51/2,505,741.32 = 1,336,437.71/x
  3. Step 3: Cross multiply
    1,820,639.51x = 2,505,741.32 × 1,336,437.71
  4. Step 4: Simplify right side
    1,820,639.51x = 3,348,767,184,870.99
  5. Step 5: Solve for x
    x = 3,348,767,184,870.99/1,820,639.51
  6. Step 6: Final answer
    x = 1,839,335.67

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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.