Home / 1,886,343.50-2,603,149.71-1,026,909.74

Finding the Fourth Proportional to 1,886,343.50, 2,603,149.71 and 1,026,909.74

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Solution

The fourth proportional to 1,886,343.50, 2,603,149.71 and 1,026,909.74 is: 1,417,133.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886,343.50 : 2,603,149.71 = 1,026,909.74 : x
  2. Step 2: Convert to fraction form
    1,886,343.50/2,603,149.71 = 1,026,909.74/x
  3. Step 3: Cross multiply
    1,886,343.50x = 2,603,149.71 × 1,026,909.74
  4. Step 4: Simplify right side
    1,886,343.50x = 2,673,199,791,877.18
  5. Step 5: Solve for x
    x = 2,673,199,791,877.18/1,886,343.50
  6. Step 6: Final answer
    x = 1,417,133.09

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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.