Home / 1,899,271.51-2,620,993.48-1,039,831.54

Finding the Fourth Proportional to 1,899,271.51, 2,620,993.48 and 1,039,831.54

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Solution

The fourth proportional to 1,899,271.51, 2,620,993.48 and 1,039,831.54 is: 1,434,966.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,271.51 : 2,620,993.48 = 1,039,831.54 : x
  2. Step 2: Convert to fraction form
    1,899,271.51/2,620,993.48 = 1,039,831.54/x
  3. Step 3: Cross multiply
    1,899,271.51x = 2,620,993.48 × 1,039,831.54
  4. Step 4: Simplify right side
    1,899,271.51x = 2,725,391,677,486.30
  5. Step 5: Solve for x
    x = 2,725,391,677,486.30/1,899,271.51
  6. Step 6: Final answer
    x = 1,434,966.86

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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.