Home / 1,877,661.64-2,591,173.75-1,018,221.67

Finding the Fourth Proportional to 1,877,661.64, 2,591,173.75 and 1,018,221.67

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Solution

The fourth proportional to 1,877,661.64, 2,591,173.75 and 1,018,221.67 is: 1,405,146.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,661.64 : 2,591,173.75 = 1,018,221.67 : x
  2. Step 2: Convert to fraction form
    1,877,661.64/2,591,173.75 = 1,018,221.67/x
  3. Step 3: Cross multiply
    1,877,661.64x = 2,591,173.75 × 1,018,221.67
  4. Step 4: Simplify right side
    1,877,661.64x = 2,638,389,262,985.16
  5. Step 5: Solve for x
    x = 2,638,389,262,985.16/1,877,661.64
  6. Step 6: Final answer
    x = 1,405,146.28

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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.