Home / 3,411,136.80-5,116,409.96-1,389,594.29

Finding the Fourth Proportional to 3,411,136.80, 5,116,409.96 and 1,389,594.29

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Solution

The fourth proportional to 3,411,136.80, 5,116,409.96 and 1,389,594.29 is: 2,084,271.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411,136.80 : 5,116,409.96 = 1,389,594.29 : x
  2. Step 2: Convert to fraction form
    3,411,136.80/5,116,409.96 = 1,389,594.29/x
  3. Step 3: Cross multiply
    3,411,136.80x = 5,116,409.96 × 1,389,594.29
  4. Step 4: Simplify right side
    3,411,136.80x = 7,109,734,033,185.11
  5. Step 5: Solve for x
    x = 7,109,734,033,185.11/3,411,136.80
  6. Step 6: Final answer
    x = 2,084,271.15

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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.