Home / 1,639,433.81-2,261,646.51-1,066,264.85

Finding the Fourth Proportional to 1,639,433.81, 2,261,646.51 and 1,066,264.85

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Solution

The fourth proportional to 1,639,433.81, 2,261,646.51 and 1,066,264.85 is: 1,470,943.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,433.81 : 2,261,646.51 = 1,066,264.85 : x
  2. Step 2: Convert to fraction form
    1,639,433.81/2,261,646.51 = 1,066,264.85/x
  3. Step 3: Cross multiply
    1,639,433.81x = 2,261,646.51 × 1,066,264.85
  4. Step 4: Simplify right side
    1,639,433.81x = 2,411,514,160,098.62
  5. Step 5: Solve for x
    x = 2,411,514,160,098.62/1,639,433.81
  6. Step 6: Final answer
    x = 1,470,943.29

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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.