Home / 1,880,999.37-2,595,794.36-1,021,565.78

Finding the Fourth Proportional to 1,880,999.37, 2,595,794.36 and 1,021,565.78

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Solution

The fourth proportional to 1,880,999.37, 2,595,794.36 and 1,021,565.78 is: 1,409,769.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,880,999.37 : 2,595,794.36 = 1,021,565.78 : x
  2. Step 2: Convert to fraction form
    1,880,999.37/2,595,794.36 = 1,021,565.78/x
  3. Step 3: Cross multiply
    1,880,999.37x = 2,595,794.36 × 1,021,565.78
  4. Step 4: Simplify right side
    1,880,999.37x = 2,651,774,672,006.20
  5. Step 5: Solve for x
    x = 2,651,774,672,006.20/1,880,999.37
  6. Step 6: Final answer
    x = 1,409,769.04

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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.