Home / 2,128,240.03-2,937,033.30-1,161,432.60

Finding the Fourth Proportional to 2,128,240.03, 2,937,033.30 and 1,161,432.60

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Solution

The fourth proportional to 2,128,240.03, 2,937,033.30 and 1,161,432.60 is: 1,602,810.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,240.03 : 2,937,033.30 = 1,161,432.60 : x
  2. Step 2: Convert to fraction form
    2,128,240.03/2,937,033.30 = 1,161,432.60/x
  3. Step 3: Cross multiply
    2,128,240.03x = 2,937,033.30 × 1,161,432.60
  4. Step 4: Simplify right side
    2,128,240.03x = 3,411,166,221,905.58
  5. Step 5: Solve for x
    x = 3,411,166,221,905.58/2,128,240.03
  6. Step 6: Final answer
    x = 1,602,810.85

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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.