Home / 1,878,581.70-2,594,284.40-1,299,289.14

Finding the Fourth Proportional to 1,878,581.70, 2,594,284.40 and 1,299,289.14

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Solution

The fourth proportional to 1,878,581.70, 2,594,284.40 and 1,299,289.14 is: 1,794,292.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,581.70 : 2,594,284.40 = 1,299,289.14 : x
  2. Step 2: Convert to fraction form
    1,878,581.70/2,594,284.40 = 1,299,289.14/x
  3. Step 3: Cross multiply
    1,878,581.70x = 2,594,284.40 × 1,299,289.14
  4. Step 4: Simplify right side
    1,878,581.70x = 3,370,725,550,239.64
  5. Step 5: Solve for x
    x = 3,370,725,550,239.64/1,878,581.70
  6. Step 6: Final answer
    x = 1,794,292.76

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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.