Home / 4,991,439.07-7,487,986-1,752,136.53

Finding the Fourth Proportional to 4,991,439.07, 7,487,986 and 1,752,136.53

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Solution

The fourth proportional to 4,991,439.07, 7,487,986 and 1,752,136.53 is: 2,628,495.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991,439.07 : 7,487,986 = 1,752,136.53 : x
  2. Step 2: Convert to fraction form
    4,991,439.07/7,487,986 = 1,752,136.53/x
  3. Step 3: Cross multiply
    4,991,439.07x = 7,487,986 × 1,752,136.53
  4. Step 4: Simplify right side
    4,991,439.07x = 13,119,973,806,728.58
  5. Step 5: Solve for x
    x = 13,119,973,806,728.58/4,991,439.07
  6. Step 6: Final answer
    x = 2,628,495.23

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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.