Home / 2,090,712.60-3,136,068.90-828,376.20

Finding the Fourth Proportional to 2,090,712.60, 3,136,068.90 and 828,376.20

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Solution

The fourth proportional to 2,090,712.60, 3,136,068.90 and 828,376.20 is: 1,242,564.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090,712.60 : 3,136,068.90 = 828,376.20 : x
  2. Step 2: Convert to fraction form
    2,090,712.60/3,136,068.90 = 828,376.20/x
  3. Step 3: Cross multiply
    2,090,712.60x = 3,136,068.90 × 828,376.20
  4. Step 4: Simplify right side
    2,090,712.60x = 2,597,844,838,320.18
  5. Step 5: Solve for x
    x = 2,597,844,838,320.18/2,090,712.60
  6. Step 6: Final answer
    x = 1,242,564.30

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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.