Home / 6,137,921-8,470,835.28-3,385,146.84

Finding the Fourth Proportional to 6,137,921, 8,470,835.28 and 3,385,146.84

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Solution

The fourth proportional to 6,137,921, 8,470,835.28 and 3,385,146.84 is: 4,671,780.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,137,921 : 8,470,835.28 = 3,385,146.84 : x
  2. Step 2: Convert to fraction form
    6,137,921/8,470,835.28 = 3,385,146.84/x
  3. Step 3: Cross multiply
    6,137,921x = 8,470,835.28 × 3,385,146.84
  4. Step 4: Simplify right side
    6,137,921x = 28,675,021,280,252.51
  5. Step 5: Solve for x
    x = 28,675,021,280,252.51/6,137,921
  6. Step 6: Final answer
    x = 4,671,780.77

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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.