Home / 1,564,349.88-2,158,833.48-1,020,833.40

Finding the Fourth Proportional to 1,564,349.88, 2,158,833.48 and 1,020,833.40

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Solution

The fourth proportional to 1,564,349.88, 2,158,833.48 and 1,020,833.40 is: 1,408,770.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,349.88 : 2,158,833.48 = 1,020,833.40 : x
  2. Step 2: Convert to fraction form
    1,564,349.88/2,158,833.48 = 1,020,833.40/x
  3. Step 3: Cross multiply
    1,564,349.88x = 2,158,833.48 × 1,020,833.40
  4. Step 4: Simplify right side
    1,564,349.88x = 2,203,809,321,422.23
  5. Step 5: Solve for x
    x = 2,203,809,321,422.23/1,564,349.88
  6. Step 6: Final answer
    x = 1,408,770.09

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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.