Home / 2,939,069.81-4,055,900.04-1,649,909.86

Finding the Fourth Proportional to 2,939,069.81, 4,055,900.04 and 1,649,909.86

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Solution

The fourth proportional to 2,939,069.81, 4,055,900.04 and 1,649,909.86 is: 2,276,866.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939,069.81 : 4,055,900.04 = 1,649,909.86 : x
  2. Step 2: Convert to fraction form
    2,939,069.81/4,055,900.04 = 1,649,909.86/x
  3. Step 3: Cross multiply
    2,939,069.81x = 4,055,900.04 × 1,649,909.86
  4. Step 4: Simplify right side
    2,939,069.81x = 6,691,869,457,030.65
  5. Step 5: Solve for x
    x = 6,691,869,457,030.65/2,939,069.81
  6. Step 6: Final answer
    x = 2,276,866.45

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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.