Home / 1,991,697.64-2,987,547.10-662,001.64

Finding the Fourth Proportional to 1,991,697.64, 2,987,547.10 and 662,001.64

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Solution

The fourth proportional to 1,991,697.64, 2,987,547.10 and 662,001.64 is: 993,002.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,697.64 : 2,987,547.10 = 662,001.64 : x
  2. Step 2: Convert to fraction form
    1,991,697.64/2,987,547.10 = 662,001.64/x
  3. Step 3: Cross multiply
    1,991,697.64x = 2,987,547.10 × 662,001.64
  4. Step 4: Simplify right side
    1,991,697.64x = 1,977,761,079,777.24
  5. Step 5: Solve for x
    x = 1,977,761,079,777.24/1,991,697.64
  6. Step 6: Final answer
    x = 993,002.67

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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.