Home / 1,690,190.45-2,333,267.11-1,132,345.38

Finding the Fourth Proportional to 1,690,190.45, 2,333,267.11 and 1,132,345.38

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Solution

The fourth proportional to 1,690,190.45, 2,333,267.11 and 1,132,345.38 is: 1,563,175.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,190.45 : 2,333,267.11 = 1,132,345.38 : x
  2. Step 2: Convert to fraction form
    1,690,190.45/2,333,267.11 = 1,132,345.38/x
  3. Step 3: Cross multiply
    1,690,190.45x = 2,333,267.11 × 1,132,345.38
  4. Step 4: Simplify right side
    1,690,190.45x = 2,642,064,243,895.07
  5. Step 5: Solve for x
    x = 2,642,064,243,895.07/1,690,190.45
  6. Step 6: Final answer
    x = 1,563,175.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.