Home / 1,640,477.10-2,460,715.65-1,475,139.90

Finding the Fourth Proportional to 1,640,477.10, 2,460,715.65 and 1,475,139.90

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Solution

The fourth proportional to 1,640,477.10, 2,460,715.65 and 1,475,139.90 is: 2,212,709.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,477.10 : 2,460,715.65 = 1,475,139.90 : x
  2. Step 2: Convert to fraction form
    1,640,477.10/2,460,715.65 = 1,475,139.90/x
  3. Step 3: Cross multiply
    1,640,477.10x = 2,460,715.65 × 1,475,139.90
  4. Step 4: Simplify right side
    1,640,477.10x = 3,629,899,837,869.43
  5. Step 5: Solve for x
    x = 3,629,899,837,869.43/1,640,477.10
  6. Step 6: Final answer
    x = 2,212,709.85

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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.