Home / 6,420,284.67-8,859,755.40-3,480,038.59

Finding the Fourth Proportional to 6,420,284.67, 8,859,755.40 and 3,480,038.59

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Solution

The fourth proportional to 6,420,284.67, 8,859,755.40 and 3,480,038.59 is: 4,802,324.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420,284.67 : 8,859,755.40 = 3,480,038.59 : x
  2. Step 2: Convert to fraction form
    6,420,284.67/8,859,755.40 = 3,480,038.59/x
  3. Step 3: Cross multiply
    6,420,284.67x = 8,859,755.40 × 3,480,038.59
  4. Step 4: Simplify right side
    6,420,284.67x = 30,832,290,671,373.39
  5. Step 5: Solve for x
    x = 30,832,290,671,373.39/6,420,284.67
  6. Step 6: Final answer
    x = 4,802,324.54

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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.