Home / 6,520,798.34-9,781,906.92-2,421,638.63

Finding the Fourth Proportional to 6,520,798.34, 9,781,906.92 and 2,421,638.63

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Solution

The fourth proportional to 6,520,798.34, 9,781,906.92 and 2,421,638.63 is: 3,632,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520,798.34 : 9,781,906.92 = 2,421,638.63 : x
  2. Step 2: Convert to fraction form
    6,520,798.34/9,781,906.92 = 2,421,638.63/x
  3. Step 3: Cross multiply
    6,520,798.34x = 9,781,906.92 × 2,421,638.63
  4. Step 4: Simplify right side
    6,520,798.34x = 23,688,243,672,536.32
  5. Step 5: Solve for x
    x = 23,688,243,672,536.32/6,520,798.34
  6. Step 6: Final answer
    x = 3,632,721.40

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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.