Home / 1,960,624.78-2,705,655.63-1,089,455.74

Finding the Fourth Proportional to 1,960,624.78, 2,705,655.63 and 1,089,455.74

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Solution

The fourth proportional to 1,960,624.78, 2,705,655.63 and 1,089,455.74 is: 1,503,445.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960,624.78 : 2,705,655.63 = 1,089,455.74 : x
  2. Step 2: Convert to fraction form
    1,960,624.78/2,705,655.63 = 1,089,455.74/x
  3. Step 3: Cross multiply
    1,960,624.78x = 2,705,655.63 × 1,089,455.74
  4. Step 4: Simplify right side
    1,960,624.78x = 2,947,692,056,566.82
  5. Step 5: Solve for x
    x = 2,947,692,056,566.82/1,960,624.78
  6. Step 6: Final answer
    x = 1,503,445.27

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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.