Home / 4,939,703.36-7,421,957.76-3,143,369.60

Finding the Fourth Proportional to 4,939,703.36, 7,421,957.76 and 3,143,369.60

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Solution

The fourth proportional to 4,939,703.36, 7,421,957.76 and 3,143,369.60 is: 4,722,946.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939,703.36 : 7,421,957.76 = 3,143,369.60 : x
  2. Step 2: Convert to fraction form
    4,939,703.36/7,421,957.76 = 3,143,369.60/x
  3. Step 3: Cross multiply
    4,939,703.36x = 7,421,957.76 × 3,143,369.60
  4. Step 4: Simplify right side
    4,939,703.36x = 23,329,956,395,268.10
  5. Step 5: Solve for x
    x = 23,329,956,395,268.10/4,939,703.36
  6. Step 6: Final answer
    x = 4,722,946.84

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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.