Home / 1,877,660.64-2,591,172.37-1,018,220.67

Finding the Fourth Proportional to 1,877,660.64, 2,591,172.37 and 1,018,220.67

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Solution

The fourth proportional to 1,877,660.64, 2,591,172.37 and 1,018,220.67 is: 1,405,144.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,660.64 : 2,591,172.37 = 1,018,220.67 : x
  2. Step 2: Convert to fraction form
    1,877,660.64/2,591,172.37 = 1,018,220.67/x
  3. Step 3: Cross multiply
    1,877,660.64x = 2,591,172.37 × 1,018,220.67
  4. Step 4: Simplify right side
    1,877,660.64x = 2,638,385,248,619.92
  5. Step 5: Solve for x
    x = 2,638,385,248,619.92/1,877,660.64
  6. Step 6: Final answer
    x = 1,405,144.89

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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.