Home / 5,232,918.61-7,849,378.05-1,638,966.88

Finding the Fourth Proportional to 5,232,918.61, 7,849,378.05 and 1,638,966.88

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Solution

The fourth proportional to 5,232,918.61, 7,849,378.05 and 1,638,966.88 is: 2,458,450.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232,918.61 : 7,849,378.05 = 1,638,966.88 : x
  2. Step 2: Convert to fraction form
    5,232,918.61/7,849,378.05 = 1,638,966.88/x
  3. Step 3: Cross multiply
    5,232,918.61x = 7,849,378.05 × 1,638,966.88
  4. Step 4: Simplify right side
    5,232,918.61x = 12,864,870,652,548.98
  5. Step 5: Solve for x
    x = 12,864,870,652,548.98/5,232,918.61
  6. Step 6: Final answer
    x = 2,458,450.36

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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.