Home / 2,127,699.09-2,936,210.45-1,209,928.59

Finding the Fourth Proportional to 2,127,699.09, 2,936,210.45 and 1,209,928.59

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Solution

The fourth proportional to 2,127,699.09, 2,936,210.45 and 1,209,928.59 is: 1,669,693.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,699.09 : 2,936,210.45 = 1,209,928.59 : x
  2. Step 2: Convert to fraction form
    2,127,699.09/2,936,210.45 = 1,209,928.59/x
  3. Step 3: Cross multiply
    2,127,699.09x = 2,936,210.45 × 1,209,928.59
  4. Step 4: Simplify right side
    2,127,699.09x = 3,552,604,963,662.12
  5. Step 5: Solve for x
    x = 3,552,604,963,662.12/2,127,699.09
  6. Step 6: Final answer
    x = 1,669,693.32

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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.