Home / 3,139,916.40-4,709,874.60-1,145,113.20

Finding the Fourth Proportional to 3,139,916.40, 4,709,874.60 and 1,145,113.20

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Solution

The fourth proportional to 3,139,916.40, 4,709,874.60 and 1,145,113.20 is: 1,717,669.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,916.40 : 4,709,874.60 = 1,145,113.20 : x
  2. Step 2: Convert to fraction form
    3,139,916.40/4,709,874.60 = 1,145,113.20/x
  3. Step 3: Cross multiply
    3,139,916.40x = 4,709,874.60 × 1,145,113.20
  4. Step 4: Simplify right side
    3,139,916.40x = 5,393,339,574,804.72
  5. Step 5: Solve for x
    x = 5,393,339,574,804.72/3,139,916.40
  6. Step 6: Final answer
    x = 1,717,669.80

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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.