Home / 5,113,607.52-7,668,417.87-1,916,989.50

Finding the Fourth Proportional to 5,113,607.52, 7,668,417.87 and 1,916,989.50

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Solution

The fourth proportional to 5,113,607.52, 7,668,417.87 and 1,916,989.50 is: 2,874,736.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113,607.52 : 7,668,417.87 = 1,916,989.50 : x
  2. Step 2: Convert to fraction form
    5,113,607.52/7,668,417.87 = 1,916,989.50/x
  3. Step 3: Cross multiply
    5,113,607.52x = 7,668,417.87 × 1,916,989.50
  4. Step 4: Simplify right side
    5,113,607.52x = 14,700,276,538,402.37
  5. Step 5: Solve for x
    x = 14,700,276,538,402.37/5,113,607.52
  6. Step 6: Final answer
    x = 2,874,736.96

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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.