Home / 2,666,337.90-4,000,090.05-1,319,145.90

Finding the Fourth Proportional to 2,666,337.90, 4,000,090.05 and 1,319,145.90

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Solution

The fourth proportional to 2,666,337.90, 4,000,090.05 and 1,319,145.90 is: 1,979,007.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,337.90 : 4,000,090.05 = 1,319,145.90 : x
  2. Step 2: Convert to fraction form
    2,666,337.90/4,000,090.05 = 1,319,145.90/x
  3. Step 3: Cross multiply
    2,666,337.90x = 4,000,090.05 × 1,319,145.90
  4. Step 4: Simplify right side
    2,666,337.90x = 5,276,702,389,088.29
  5. Step 5: Solve for x
    x = 5,276,702,389,088.29/2,666,337.90
  6. Step 6: Final answer
    x = 1,979,007.38

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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.