Home / 1,909,887.85-2,865,116.61-630,630.46

Finding the Fourth Proportional to 1,909,887.85, 2,865,116.61 and 630,630.46

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Solution

The fourth proportional to 1,909,887.85, 2,865,116.61 and 630,630.46 is: 946,039.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,887.85 : 2,865,116.61 = 630,630.46 : x
  2. Step 2: Convert to fraction form
    1,909,887.85/2,865,116.61 = 630,630.46/x
  3. Step 3: Cross multiply
    1,909,887.85x = 2,865,116.61 × 630,630.46
  4. Step 4: Simplify right side
    1,909,887.85x = 1,806,829,805,717.94
  5. Step 5: Solve for x
    x = 1,806,829,805,717.94/1,909,887.85
  6. Step 6: Final answer
    x = 946,039.74

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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.