Home / 1,943,404.32-2,683,586.16-1,219,507.20

Finding the Fourth Proportional to 1,943,404.32, 2,683,586.16 and 1,219,507.20

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Solution

The fourth proportional to 1,943,404.32, 2,683,586.16 and 1,219,507.20 is: 1,683,979.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,404.32 : 2,683,586.16 = 1,219,507.20 : x
  2. Step 2: Convert to fraction form
    1,943,404.32/2,683,586.16 = 1,219,507.20/x
  3. Step 3: Cross multiply
    1,943,404.32x = 2,683,586.16 × 1,219,507.20
  4. Step 4: Simplify right side
    1,943,404.32x = 3,272,652,643,940.35
  5. Step 5: Solve for x
    x = 3,272,652,643,940.35/1,943,404.32
  6. Step 6: Final answer
    x = 1,683,979.30

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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.