Home / 2,723,702.60-4,087,886.70-1,209,715.40

Finding the Fourth Proportional to 2,723,702.60, 4,087,886.70 and 1,209,715.40

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Solution

The fourth proportional to 2,723,702.60, 4,087,886.70 and 1,209,715.40 is: 1,815,609.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723,702.60 : 4,087,886.70 = 1,209,715.40 : x
  2. Step 2: Convert to fraction form
    2,723,702.60/4,087,886.70 = 1,209,715.40/x
  3. Step 3: Cross multiply
    2,723,702.60x = 4,087,886.70 × 1,209,715.40
  4. Step 4: Simplify right side
    2,723,702.60x = 4,945,179,494,445.18
  5. Step 5: Solve for x
    x = 4,945,179,494,445.18/2,723,702.60
  6. Step 6: Final answer
    x = 1,815,609.20

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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.