Home / 4,200,311-6,300,466.50-1,208,495

Finding the Fourth Proportional to 4,200,311, 6,300,466.50 and 1,208,495

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Solution

The fourth proportional to 4,200,311, 6,300,466.50 and 1,208,495 is: 1,812,742.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200,311 : 6,300,466.50 = 1,208,495 : x
  2. Step 2: Convert to fraction form
    4,200,311/6,300,466.50 = 1,208,495/x
  3. Step 3: Cross multiply
    4,200,311x = 6,300,466.50 × 1,208,495
  4. Step 4: Simplify right side
    4,200,311x = 7,614,082,262,917.50
  5. Step 5: Solve for x
    x = 7,614,082,262,917.50/4,200,311
  6. Step 6: Final answer
    x = 1,812,742.50

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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.