Home / 2,927,681.89-4,392,778.84-1,131,826.64

Finding the Fourth Proportional to 2,927,681.89, 4,392,778.84 and 1,131,826.64

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Solution

The fourth proportional to 2,927,681.89, 4,392,778.84 and 1,131,826.64 is: 1,698,225.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927,681.89 : 4,392,778.84 = 1,131,826.64 : x
  2. Step 2: Convert to fraction form
    2,927,681.89/4,392,778.84 = 1,131,826.64/x
  3. Step 3: Cross multiply
    2,927,681.89x = 4,392,778.84 × 1,131,826.64
  4. Step 4: Simplify right side
    2,927,681.89x = 4,971,864,089,946.84
  5. Step 5: Solve for x
    x = 4,971,864,089,946.84/2,927,681.89
  6. Step 6: Final answer
    x = 1,698,225.52

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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.