Home / 5,100,477.36-7,038,658.08-2,808,632.40

Finding the Fourth Proportional to 5,100,477.36, 7,038,658.08 and 2,808,632.40

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Solution

The fourth proportional to 5,100,477.36, 7,038,658.08 and 2,808,632.40 is: 3,875,912.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100,477.36 : 7,038,658.08 = 2,808,632.40 : x
  2. Step 2: Convert to fraction form
    5,100,477.36/7,038,658.08 = 2,808,632.40/x
  3. Step 3: Cross multiply
    5,100,477.36x = 7,038,658.08 × 2,808,632.40
  4. Step 4: Simplify right side
    5,100,477.36x = 19,769,003,136,009.79
  5. Step 5: Solve for x
    x = 19,769,003,136,009.79/5,100,477.36
  6. Step 6: Final answer
    x = 3,875,912.34

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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.