Home / 1,915,508.05-2,640,653.46-1,506,899.70

Finding the Fourth Proportional to 1,915,508.05, 2,640,653.46 and 1,506,899.70

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Solution

The fourth proportional to 1,915,508.05, 2,640,653.46 and 1,506,899.70 is: 2,077,360.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,508.05 : 2,640,653.46 = 1,506,899.70 : x
  2. Step 2: Convert to fraction form
    1,915,508.05/2,640,653.46 = 1,506,899.70/x
  3. Step 3: Cross multiply
    1,915,508.05x = 2,640,653.46 × 1,506,899.70
  4. Step 4: Simplify right side
    1,915,508.05x = 3,979,199,906,677.96
  5. Step 5: Solve for x
    x = 3,979,199,906,677.96/1,915,508.05
  6. Step 6: Final answer
    x = 2,077,360.06

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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.