Home / 1,915,506.72-2,640,651.60-1,506,898.32

Finding the Fourth Proportional to 1,915,506.72, 2,640,651.60 and 1,506,898.32

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Solution

The fourth proportional to 1,915,506.72, 2,640,651.60 and 1,506,898.32 is: 2,077,358.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,506.72 : 2,640,651.60 = 1,506,898.32 : x
  2. Step 2: Convert to fraction form
    1,915,506.72/2,640,651.60 = 1,506,898.32/x
  3. Step 3: Cross multiply
    1,915,506.72x = 2,640,651.60 × 1,506,898.32
  4. Step 4: Simplify right side
    1,915,506.72x = 3,979,193,459,745.31
  5. Step 5: Solve for x
    x = 3,979,193,459,745.31/1,915,506.72
  6. Step 6: Final answer
    x = 2,077,358.13

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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.