Home / 2,420,081.80-3,630,122.70-1,853,211.40

Finding the Fourth Proportional to 2,420,081.80, 3,630,122.70 and 1,853,211.40

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Solution

The fourth proportional to 2,420,081.80, 3,630,122.70 and 1,853,211.40 is: 2,779,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420,081.80 : 3,630,122.70 = 1,853,211.40 : x
  2. Step 2: Convert to fraction form
    2,420,081.80/3,630,122.70 = 1,853,211.40/x
  3. Step 3: Cross multiply
    2,420,081.80x = 3,630,122.70 × 1,853,211.40
  4. Step 4: Simplify right side
    2,420,081.80x = 6,727,384,771,038.78
  5. Step 5: Solve for x
    x = 6,727,384,771,038.78/2,420,081.80
  6. Step 6: Final answer
    x = 2,779,817.10

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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.