Home / 1,980,095.94-2,971,393.43-842,856.35

Finding the Fourth Proportional to 1,980,095.94, 2,971,393.43 and 842,856.35

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Solution

The fourth proportional to 1,980,095.94, 2,971,393.43 and 842,856.35 is: 1,264,816.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,095.94 : 2,971,393.43 = 842,856.35 : x
  2. Step 2: Convert to fraction form
    1,980,095.94/2,971,393.43 = 842,856.35/x
  3. Step 3: Cross multiply
    1,980,095.94x = 2,971,393.43 × 842,856.35
  4. Step 4: Simplify right side
    1,980,095.94x = 2,504,457,801,752.53
  5. Step 5: Solve for x
    x = 2,504,457,801,752.53/1,980,095.94
  6. Step 6: Final answer
    x = 1,264,816.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.