Home / 2,725,518.40-4,088,277.60-930,428.80

Finding the Fourth Proportional to 2,725,518.40, 4,088,277.60 and 930,428.80

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Solution

The fourth proportional to 2,725,518.40, 4,088,277.60 and 930,428.80 is: 1,395,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725,518.40 : 4,088,277.60 = 930,428.80 : x
  2. Step 2: Convert to fraction form
    2,725,518.40/4,088,277.60 = 930,428.80/x
  3. Step 3: Cross multiply
    2,725,518.40x = 4,088,277.60 × 930,428.80
  4. Step 4: Simplify right side
    2,725,518.40x = 3,803,851,221,434.88
  5. Step 5: Solve for x
    x = 3,803,851,221,434.88/2,725,518.40
  6. Step 6: Final answer
    x = 1,395,643.20

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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.