Home / 2,091,237.60-3,136,856.40-671,437.20

Finding the Fourth Proportional to 2,091,237.60, 3,136,856.40 and 671,437.20

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Solution

The fourth proportional to 2,091,237.60, 3,136,856.40 and 671,437.20 is: 1,007,155.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091,237.60 : 3,136,856.40 = 671,437.20 : x
  2. Step 2: Convert to fraction form
    2,091,237.60/3,136,856.40 = 671,437.20/x
  3. Step 3: Cross multiply
    2,091,237.60x = 3,136,856.40 × 671,437.20
  4. Step 4: Simplify right side
    2,091,237.60x = 2,106,202,078,018.08
  5. Step 5: Solve for x
    x = 2,106,202,078,018.08/2,091,237.60
  6. Step 6: Final answer
    x = 1,007,155.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.