Home / 4,920,784.30-7,381,176.45-2,653,302.70

Finding the Fourth Proportional to 4,920,784.30, 7,381,176.45 and 2,653,302.70

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Solution

The fourth proportional to 4,920,784.30, 7,381,176.45 and 2,653,302.70 is: 3,979,954.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,784.30 : 7,381,176.45 = 2,653,302.70 : x
  2. Step 2: Convert to fraction form
    4,920,784.30/7,381,176.45 = 2,653,302.70/x
  3. Step 3: Cross multiply
    4,920,784.30x = 7,381,176.45 × 2,653,302.70
  4. Step 4: Simplify right side
    4,920,784.30x = 19,584,495,403,961.42
  5. Step 5: Solve for x
    x = 19,584,495,403,961.42/4,920,784.30
  6. Step 6: Final answer
    x = 3,979,954.05

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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.