Home / 1,333,467.90-1,997,249.40-1,097,271.90

Finding the Fourth Proportional to 1,333,467.90, 1,997,249.40 and 1,097,271.90

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Solution

The fourth proportional to 1,333,467.90, 1,997,249.40 and 1,097,271.90 is: 1,643,478.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,467.90 : 1,997,249.40 = 1,097,271.90 : x
  2. Step 2: Convert to fraction form
    1,333,467.90/1,997,249.40 = 1,097,271.90/x
  3. Step 3: Cross multiply
    1,333,467.90x = 1,997,249.40 × 1,097,271.90
  4. Step 4: Simplify right side
    1,333,467.90x = 2,191,525,643,911.86
  5. Step 5: Solve for x
    x = 2,191,525,643,911.86/1,333,467.90
  6. Step 6: Final answer
    x = 1,643,478.36

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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.