Home / 1,970,991.50-2,719,971.96-1,065,573.50

Finding the Fourth Proportional to 1,970,991.50, 2,719,971.96 and 1,065,573.50

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Solution

The fourth proportional to 1,970,991.50, 2,719,971.96 and 1,065,573.50 is: 1,470,493.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,991.50 : 2,719,971.96 = 1,065,573.50 : x
  2. Step 2: Convert to fraction form
    1,970,991.50/2,719,971.96 = 1,065,573.50/x
  3. Step 3: Cross multiply
    1,970,991.50x = 2,719,971.96 × 1,065,573.50
  4. Step 4: Simplify right side
    1,970,991.50x = 2,898,330,041,319.06
  5. Step 5: Solve for x
    x = 2,898,330,041,319.06/1,970,991.50
  6. Step 6: Final answer
    x = 1,470,493.42

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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.