Home / 2,128,391.00-2,937,178.77-1,161,521.30

Finding the Fourth Proportional to 2,128,391.00, 2,937,178.77 and 1,161,521.30

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Solution

The fourth proportional to 2,128,391.00, 2,937,178.77 and 1,161,521.30 is: 1,602,898.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,391.00 : 2,937,178.77 = 1,161,521.30 : x
  2. Step 2: Convert to fraction form
    2,128,391.00/2,937,178.77 = 1,161,521.30/x
  3. Step 3: Cross multiply
    2,128,391.00x = 2,937,178.77 × 1,161,521.30
  4. Step 4: Simplify right side
    2,128,391.00x = 3,411,595,688,576.91
  5. Step 5: Solve for x
    x = 3,411,595,688,576.91/2,128,391.00
  6. Step 6: Final answer
    x = 1,602,898.94

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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.