Home / 1,837,161.45-2,535,139.20-1,021,315.47

Finding the Fourth Proportional to 1,837,161.45, 2,535,139.20 and 1,021,315.47

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Solution

The fourth proportional to 1,837,161.45, 2,535,139.20 and 1,021,315.47 is: 1,409,335.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837,161.45 : 2,535,139.20 = 1,021,315.47 : x
  2. Step 2: Convert to fraction form
    1,837,161.45/2,535,139.20 = 1,021,315.47/x
  3. Step 3: Cross multiply
    1,837,161.45x = 2,535,139.20 × 1,021,315.47
  4. Step 4: Simplify right side
    1,837,161.45x = 2,589,176,883,563.42
  5. Step 5: Solve for x
    x = 2,589,176,883,563.42/1,837,161.45
  6. Step 6: Final answer
    x = 1,409,335.52

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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.