Home / 2,014,239.40-2,780,237.28-1,316,621.56

Finding the Fourth Proportional to 2,014,239.40, 2,780,237.28 and 1,316,621.56

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Solution

The fourth proportional to 2,014,239.40, 2,780,237.28 and 1,316,621.56 is: 1,817,321.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014,239.40 : 2,780,237.28 = 1,316,621.56 : x
  2. Step 2: Convert to fraction form
    2,014,239.40/2,780,237.28 = 1,316,621.56/x
  3. Step 3: Cross multiply
    2,014,239.40x = 2,780,237.28 × 1,316,621.56
  4. Step 4: Simplify right side
    2,014,239.40x = 3,660,520,344,763.76
  5. Step 5: Solve for x
    x = 3,660,520,344,763.76/2,014,239.40
  6. Step 6: Final answer
    x = 1,817,321.39

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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.