Home / 1,845,573.30-2,771,312.40-1,396,800.90

Finding the Fourth Proportional to 1,845,573.30, 2,771,312.40 and 1,396,800.90

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Solution

The fourth proportional to 1,845,573.30, 2,771,312.40 and 1,396,800.90 is: 2,097,435.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845,573.30 : 2,771,312.40 = 1,396,800.90 : x
  2. Step 2: Convert to fraction form
    1,845,573.30/2,771,312.40 = 1,396,800.90/x
  3. Step 3: Cross multiply
    1,845,573.30x = 2,771,312.40 × 1,396,800.90
  4. Step 4: Simplify right side
    1,845,573.30x = 3,870,971,654,501.16
  5. Step 5: Solve for x
    x = 3,870,971,654,501.16/1,845,573.30
  6. Step 6: Final answer
    x = 2,097,435.88

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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.