Home / 3,361,205.79-4,638,856.14-1,911,118.50

Finding the Fourth Proportional to 3,361,205.79, 4,638,856.14 and 1,911,118.50

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Solution

The fourth proportional to 3,361,205.79, 4,638,856.14 and 1,911,118.50 is: 2,637,566.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361,205.79 : 4,638,856.14 = 1,911,118.50 : x
  2. Step 2: Convert to fraction form
    3,361,205.79/4,638,856.14 = 1,911,118.50/x
  3. Step 3: Cross multiply
    3,361,205.79x = 4,638,856.14 × 1,911,118.50
  4. Step 4: Simplify right side
    3,361,205.79x = 8,865,403,787,992.59
  5. Step 5: Solve for x
    x = 8,865,403,787,992.59/3,361,205.79
  6. Step 6: Final answer
    x = 2,637,566.50

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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.