Home / 1,915,508.30-2,640,653.86-1,506,899.94

Finding the Fourth Proportional to 1,915,508.30, 2,640,653.86 and 1,506,899.94

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Solution

The fourth proportional to 1,915,508.30, 2,640,653.86 and 1,506,899.94 is: 2,077,360.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,508.30 : 2,640,653.86 = 1,506,899.94 : x
  2. Step 2: Convert to fraction form
    1,915,508.30/2,640,653.86 = 1,506,899.94/x
  3. Step 3: Cross multiply
    1,915,508.30x = 2,640,653.86 × 1,506,899.94
  4. Step 4: Simplify right side
    1,915,508.30x = 3,979,201,143,194.77
  5. Step 5: Solve for x
    x = 3,979,201,143,194.77/1,915,508.30
  6. Step 6: Final answer
    x = 2,077,360.43

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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.