Home / 3,600,088.69-5,400,138.23-1,470,172.80

Finding the Fourth Proportional to 3,600,088.69, 5,400,138.23 and 1,470,172.80

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Solution

The fourth proportional to 3,600,088.69, 5,400,138.23 and 1,470,172.80 is: 2,205,261.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600,088.69 : 5,400,138.23 = 1,470,172.80 : x
  2. Step 2: Convert to fraction form
    3,600,088.69/5,400,138.23 = 1,470,172.80/x
  3. Step 3: Cross multiply
    3,600,088.69x = 5,400,138.23 × 1,470,172.80
  4. Step 4: Simplify right side
    3,600,088.69x = 7,939,136,357,642.37
  5. Step 5: Solve for x
    x = 7,939,136,357,642.37/3,600,088.69
  6. Step 6: Final answer
    x = 2,205,261.33

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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.