Home / 4,653,355.05-6,980,188.10-1,287,280.17

Finding the Fourth Proportional to 4,653,355.05, 6,980,188.10 and 1,287,280.17

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Solution

The fourth proportional to 4,653,355.05, 6,980,188.10 and 1,287,280.17 is: 1,930,963.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,653,355.05 : 6,980,188.10 = 1,287,280.17 : x
  2. Step 2: Convert to fraction form
    4,653,355.05/6,980,188.10 = 1,287,280.17/x
  3. Step 3: Cross multiply
    4,653,355.05x = 6,980,188.10 × 1,287,280.17
  4. Step 4: Simplify right side
    4,653,355.05x = 8,985,457,717,563.58
  5. Step 5: Solve for x
    x = 8,985,457,717,563.58/4,653,355.05
  6. Step 6: Final answer
    x = 1,930,963.28

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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.