Home / 5,223,415.36-7,208,328.20-2,900,312.89

Finding the Fourth Proportional to 5,223,415.36, 7,208,328.20 and 2,900,312.89

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Solution

The fourth proportional to 5,223,415.36, 7,208,328.20 and 2,900,312.89 is: 4,002,440.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,223,415.36 : 7,208,328.20 = 2,900,312.89 : x
  2. Step 2: Convert to fraction form
    5,223,415.36/7,208,328.20 = 2,900,312.89/x
  3. Step 3: Cross multiply
    5,223,415.36x = 7,208,328.20 × 2,900,312.89
  4. Step 4: Simplify right side
    5,223,415.36x = 20,906,407,193,810.50
  5. Step 5: Solve for x
    x = 20,906,407,193,810.50/5,223,415.36
  6. Step 6: Final answer
    x = 4,002,440.12

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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.