Home / 3,393,043.21-4,682,280.90-1,865,139.40

Finding the Fourth Proportional to 3,393,043.21, 4,682,280.90 and 1,865,139.40

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Solution

The fourth proportional to 3,393,043.21, 4,682,280.90 and 1,865,139.40 is: 2,573,827.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393,043.21 : 4,682,280.90 = 1,865,139.40 : x
  2. Step 2: Convert to fraction form
    3,393,043.21/4,682,280.90 = 1,865,139.40/x
  3. Step 3: Cross multiply
    3,393,043.21x = 4,682,280.90 × 1,865,139.40
  4. Step 4: Simplify right side
    3,393,043.21x = 8,733,106,588,457.46
  5. Step 5: Solve for x
    x = 8,733,106,588,457.46/3,393,043.21
  6. Step 6: Final answer
    x = 2,573,827.11

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1.5x scale

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.