Home / 3,405,145.28-4,698,873.01-1,954,639.40

Finding the Fourth Proportional to 3,405,145.28, 4,698,873.01 and 1,954,639.40

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Solution

The fourth proportional to 3,405,145.28, 4,698,873.01 and 1,954,639.40 is: 2,697,271.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405,145.28 : 4,698,873.01 = 1,954,639.40 : x
  2. Step 2: Convert to fraction form
    3,405,145.28/4,698,873.01 = 1,954,639.40/x
  3. Step 3: Cross multiply
    3,405,145.28x = 4,698,873.01 × 1,954,639.40
  4. Step 4: Simplify right side
    3,405,145.28x = 9,184,602,320,942.59
  5. Step 5: Solve for x
    x = 9,184,602,320,942.59/3,405,145.28
  6. Step 6: Final answer
    x = 2,697,271.79

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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.