Home / 1,921,178.22-2,651,152.03-1,105,643.89

Finding the Fourth Proportional to 1,921,178.22, 2,651,152.03 and 1,105,643.89

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Solution

The fourth proportional to 1,921,178.22, 2,651,152.03 and 1,105,643.89 is: 1,525,746.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,178.22 : 2,651,152.03 = 1,105,643.89 : x
  2. Step 2: Convert to fraction form
    1,921,178.22/2,651,152.03 = 1,105,643.89/x
  3. Step 3: Cross multiply
    1,921,178.22x = 2,651,152.03 × 1,105,643.89
  4. Step 4: Simplify right side
    1,921,178.22x = 2,931,230,043,430.60
  5. Step 5: Solve for x
    x = 2,931,230,043,430.60/1,921,178.22
  6. Step 6: Final answer
    x = 1,525,746.03

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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.