Home / 3,116,870.70-4,671,806.85-1,319,448.30

Finding the Fourth Proportional to 3,116,870.70, 4,671,806.85 and 1,319,448.30

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Solution

The fourth proportional to 3,116,870.70, 4,671,806.85 and 1,319,448.30 is: 1,977,691.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116,870.70 : 4,671,806.85 = 1,319,448.30 : x
  2. Step 2: Convert to fraction form
    3,116,870.70/4,671,806.85 = 1,319,448.30/x
  3. Step 3: Cross multiply
    3,116,870.70x = 4,671,806.85 × 1,319,448.30
  4. Step 4: Simplify right side
    3,116,870.70x = 6,164,207,606,160.86
  5. Step 5: Solve for x
    x = 6,164,207,606,160.86/3,116,870.70
  6. Step 6: Final answer
    x = 1,977,691.15

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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.