Home / 1,972,328.16-2,721,082.32-1,457,323.68

Finding the Fourth Proportional to 1,972,328.16, 2,721,082.32 and 1,457,323.68

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Solution

The fourth proportional to 1,972,328.16, 2,721,082.32 and 1,457,323.68 is: 2,010,566.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,328.16 : 2,721,082.32 = 1,457,323.68 : x
  2. Step 2: Convert to fraction form
    1,972,328.16/2,721,082.32 = 1,457,323.68/x
  3. Step 3: Cross multiply
    1,972,328.16x = 2,721,082.32 × 1,457,323.68
  4. Step 4: Simplify right side
    1,972,328.16x = 3,965,497,700,165.34
  5. Step 5: Solve for x
    x = 3,965,497,700,165.34/1,972,328.16
  6. Step 6: Final answer
    x = 2,010,566.89

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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.