Home / 4,815,979.89-7,223,200.86-1,403,468.27

Finding the Fourth Proportional to 4,815,979.89, 7,223,200.86 and 1,403,468.27

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Solution

The fourth proportional to 4,815,979.89, 7,223,200.86 and 1,403,468.27 is: 2,104,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815,979.89 : 7,223,200.86 = 1,403,468.27 : x
  2. Step 2: Convert to fraction form
    4,815,979.89/7,223,200.86 = 1,403,468.27/x
  3. Step 3: Cross multiply
    4,815,979.89x = 7,223,200.86 × 1,403,468.27
  4. Step 4: Simplify right side
    4,815,979.89x = 10,137,533,178,730.71
  5. Step 5: Solve for x
    x = 10,137,533,178,730.71/4,815,979.89
  6. Step 6: Final answer
    x = 2,104,978.30

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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.