Home / 3,161,911.93-4,742,852.03-765,756.50

Finding the Fourth Proportional to 3,161,911.93, 4,742,852.03 and 765,756.50

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Solution

The fourth proportional to 3,161,911.93, 4,742,852.03 and 765,756.50 is: 1,148,630.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161,911.93 : 4,742,852.03 = 765,756.50 : x
  2. Step 2: Convert to fraction form
    3,161,911.93/4,742,852.03 = 765,756.50/x
  3. Step 3: Cross multiply
    3,161,911.93x = 4,742,852.03 × 765,756.50
  4. Step 4: Simplify right side
    3,161,911.93x = 3,631,869,745,839.24
  5. Step 5: Solve for x
    x = 3,631,869,745,839.24/3,161,911.93
  6. Step 6: Final answer
    x = 1,148,630.90

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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.