Home / 2,118,411.70-3,176,451.15-854,811.70

Finding the Fourth Proportional to 2,118,411.70, 3,176,451.15 and 854,811.70

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Solution

The fourth proportional to 2,118,411.70, 3,176,451.15 and 854,811.70 is: 1,281,746.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,411.70 : 3,176,451.15 = 854,811.70 : x
  2. Step 2: Convert to fraction form
    2,118,411.70/3,176,451.15 = 854,811.70/x
  3. Step 3: Cross multiply
    2,118,411.70x = 3,176,451.15 × 854,811.70
  4. Step 4: Simplify right side
    2,118,411.70x = 2,715,267,607,498.45
  5. Step 5: Solve for x
    x = 2,715,267,607,498.45/2,118,411.70
  6. Step 6: Final answer
    x = 1,281,746.89

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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.