Home / 3,009,409.90-4,153,057.43-1,720,370.23

Finding the Fourth Proportional to 3,009,409.90, 4,153,057.43 and 1,720,370.23

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Solution

The fourth proportional to 3,009,409.90, 4,153,057.43 and 1,720,370.23 is: 2,374,151.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009,409.90 : 4,153,057.43 = 1,720,370.23 : x
  2. Step 2: Convert to fraction form
    3,009,409.90/4,153,057.43 = 1,720,370.23/x
  3. Step 3: Cross multiply
    3,009,409.90x = 4,153,057.43 × 1,720,370.23
  4. Step 4: Simplify right side
    3,009,409.90x = 7,144,796,366,052.31
  5. Step 5: Solve for x
    x = 7,144,796,366,052.31/3,009,409.90
  6. Step 6: Final answer
    x = 2,374,151.94

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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.