Home / 2,118,262.34-3,175,607.76-919,281.50

Finding the Fourth Proportional to 2,118,262.34, 3,175,607.76 and 919,281.50

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Solution

The fourth proportional to 2,118,262.34, 3,175,607.76 and 919,281.50 is: 1,378,147.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,262.34 : 3,175,607.76 = 919,281.50 : x
  2. Step 2: Convert to fraction form
    2,118,262.34/3,175,607.76 = 919,281.50/x
  3. Step 3: Cross multiply
    2,118,262.34x = 3,175,607.76 × 919,281.50
  4. Step 4: Simplify right side
    2,118,262.34x = 2,919,277,465,024.44
  5. Step 5: Solve for x
    x = 2,919,277,465,024.44/2,118,262.34
  6. Step 6: Final answer
    x = 1,378,147.27

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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.