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Finding the Fourth Proportional to 4,579,751.88, 6,870,126.06 and 1,700,780.98

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Solution

The fourth proportional to 4,579,751.88, 6,870,126.06 and 1,700,780.98 is: 2,551,356.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579,751.88 : 6,870,126.06 = 1,700,780.98 : x
  2. Step 2: Convert to fraction form
    4,579,751.88/6,870,126.06 = 1,700,780.98/x
  3. Step 3: Cross multiply
    4,579,751.88x = 6,870,126.06 × 1,700,780.98
  4. Step 4: Simplify right side
    4,579,751.88x = 11,684,579,733,050.34
  5. Step 5: Solve for x
    x = 11,684,579,733,050.34/4,579,751.88
  6. Step 6: Final answer
    x = 2,551,356.50

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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.