Home / 1,925,178.40-2,657,999.58-1,237,115.39

Finding the Fourth Proportional to 1,925,178.40, 2,657,999.58 and 1,237,115.39

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Solution

The fourth proportional to 1,925,178.40, 2,657,999.58 and 1,237,115.39 is: 1,708,024.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925,178.40 : 2,657,999.58 = 1,237,115.39 : x
  2. Step 2: Convert to fraction form
    1,925,178.40/2,657,999.58 = 1,237,115.39/x
  3. Step 3: Cross multiply
    1,925,178.40x = 2,657,999.58 × 1,237,115.39
  4. Step 4: Simplify right side
    1,925,178.40x = 3,288,252,187,031.54
  5. Step 5: Solve for x
    x = 3,288,252,187,031.54/1,925,178.40
  6. Step 6: Final answer
    x = 1,708,024.67

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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.