Home / 2,168,423.82-2,992,490.47-1,201,463.64

Finding the Fourth Proportional to 2,168,423.82, 2,992,490.47 and 1,201,463.64

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Solution

The fourth proportional to 2,168,423.82, 2,992,490.47 and 1,201,463.64 is: 1,658,056.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168,423.82 : 2,992,490.47 = 1,201,463.64 : x
  2. Step 2: Convert to fraction form
    2,168,423.82/2,992,490.47 = 1,201,463.64/x
  3. Step 3: Cross multiply
    2,168,423.82x = 2,992,490.47 × 1,201,463.64
  4. Step 4: Simplify right side
    2,168,423.82x = 3,595,368,492,751.51
  5. Step 5: Solve for x
    x = 3,595,368,492,751.51/2,168,423.82
  6. Step 6: Final answer
    x = 1,658,056.17

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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.