Home / 3,139,898.23-4,333,734.80-1,915,941.52

Finding the Fourth Proportional to 3,139,898.23, 4,333,734.80 and 1,915,941.52

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Solution

The fourth proportional to 3,139,898.23, 4,333,734.80 and 1,915,941.52 is: 2,644,411.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,898.23 : 4,333,734.80 = 1,915,941.52 : x
  2. Step 2: Convert to fraction form
    3,139,898.23/4,333,734.80 = 1,915,941.52/x
  3. Step 3: Cross multiply
    3,139,898.23x = 4,333,734.80 × 1,915,941.52
  4. Step 4: Simplify right side
    3,139,898.23x = 8,303,182,439,988.90
  5. Step 5: Solve for x
    x = 8,303,182,439,988.90/3,139,898.23
  6. Step 6: Final answer
    x = 2,644,411.33

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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.