Home / 3,076,572.90-4,245,870.57-1,699,916.78

Finding the Fourth Proportional to 3,076,572.90, 4,245,870.57 and 1,699,916.78

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Solution

The fourth proportional to 3,076,572.90, 4,245,870.57 and 1,699,916.78 is: 2,345,995.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076,572.90 : 4,245,870.57 = 1,699,916.78 : x
  2. Step 2: Convert to fraction form
    3,076,572.90/4,245,870.57 = 1,699,916.78/x
  3. Step 3: Cross multiply
    3,076,572.90x = 4,245,870.57 × 1,699,916.78
  4. Step 4: Simplify right side
    3,076,572.90x = 7,217,626,627,651.17
  5. Step 5: Solve for x
    x = 7,217,626,627,651.17/3,076,572.90
  6. Step 6: Final answer
    x = 2,345,995.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.