Home / 1,865,207.80-2,797,811.70-1,298,337.40

Finding the Fourth Proportional to 1,865,207.80, 2,797,811.70 and 1,298,337.40

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Solution

The fourth proportional to 1,865,207.80, 2,797,811.70 and 1,298,337.40 is: 1,947,506.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,207.80 : 2,797,811.70 = 1,298,337.40 : x
  2. Step 2: Convert to fraction form
    1,865,207.80/2,797,811.70 = 1,298,337.40/x
  3. Step 3: Cross multiply
    1,865,207.80x = 2,797,811.70 × 1,298,337.40
  4. Step 4: Simplify right side
    1,865,207.80x = 3,632,503,568,267.58
  5. Step 5: Solve for x
    x = 3,632,503,568,267.58/1,865,207.80
  6. Step 6: Final answer
    x = 1,947,506.10

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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.