Home / 1,638,009.60-2,457,014.40-1,606,516.80

Finding the Fourth Proportional to 1,638,009.60, 2,457,014.40 and 1,606,516.80

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Solution

The fourth proportional to 1,638,009.60, 2,457,014.40 and 1,606,516.80 is: 2,409,775.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,009.60 : 2,457,014.40 = 1,606,516.80 : x
  2. Step 2: Convert to fraction form
    1,638,009.60/2,457,014.40 = 1,606,516.80/x
  3. Step 3: Cross multiply
    1,638,009.60x = 2,457,014.40 × 1,606,516.80
  4. Step 4: Simplify right side
    1,638,009.60x = 3,947,234,911,441.92
  5. Step 5: Solve for x
    x = 3,947,234,911,441.92/1,638,009.60
  6. Step 6: Final answer
    x = 2,409,775.20

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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.