Home / 2,990,164.60-4,485,246.90-1,709,457.40

Finding the Fourth Proportional to 2,990,164.60, 4,485,246.90 and 1,709,457.40

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Solution

The fourth proportional to 2,990,164.60, 4,485,246.90 and 1,709,457.40 is: 2,564,186.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,164.60 : 4,485,246.90 = 1,709,457.40 : x
  2. Step 2: Convert to fraction form
    2,990,164.60/4,485,246.90 = 1,709,457.40/x
  3. Step 3: Cross multiply
    2,990,164.60x = 4,485,246.90 × 1,709,457.40
  4. Step 4: Simplify right side
    2,990,164.60x = 7,667,338,504,032.06
  5. Step 5: Solve for x
    x = 7,667,338,504,032.06/2,990,164.60
  6. Step 6: Final answer
    x = 2,564,186.10

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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.