Home / 1,899,463.46-2,621,019.42-1,513,258.40

Finding the Fourth Proportional to 1,899,463.46, 2,621,019.42 and 1,513,258.40

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Solution

The fourth proportional to 1,899,463.46, 2,621,019.42 and 1,513,258.40 is: 2,088,105.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,463.46 : 2,621,019.42 = 1,513,258.40 : x
  2. Step 2: Convert to fraction form
    1,899,463.46/2,621,019.42 = 1,513,258.40/x
  3. Step 3: Cross multiply
    1,899,463.46x = 2,621,019.42 × 1,513,258.40
  4. Step 4: Simplify right side
    1,899,463.46x = 3,966,279,653,878.13
  5. Step 5: Solve for x
    x = 3,966,279,653,878.13/1,899,463.46
  6. Step 6: Final answer
    x = 2,088,105.27

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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.