Home / 2,606,695.20-3,909,848.40-1,089,986.40

Finding the Fourth Proportional to 2,606,695.20, 3,909,848.40 and 1,089,986.40

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Solution

The fourth proportional to 2,606,695.20, 3,909,848.40 and 1,089,986.40 is: 1,634,898.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,606,695.20 : 3,909,848.40 = 1,089,986.40 : x
  2. Step 2: Convert to fraction form
    2,606,695.20/3,909,848.40 = 1,089,986.40/x
  3. Step 3: Cross multiply
    2,606,695.20x = 3,909,848.40 × 1,089,986.40
  4. Step 4: Simplify right side
    2,606,695.20x = 4,261,681,582,061.76
  5. Step 5: Solve for x
    x = 4,261,681,582,061.76/2,606,695.20
  6. Step 6: Final answer
    x = 1,634,898.31

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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.