Home / 2,159,541.69-2,980,187.93-1,229,204.01

Finding the Fourth Proportional to 2,159,541.69, 2,980,187.93 and 1,229,204.01

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Solution

The fourth proportional to 2,159,541.69, 2,980,187.93 and 1,229,204.01 is: 1,696,313.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,541.69 : 2,980,187.93 = 1,229,204.01 : x
  2. Step 2: Convert to fraction form
    2,159,541.69/2,980,187.93 = 1,229,204.01/x
  3. Step 3: Cross multiply
    2,159,541.69x = 2,980,187.93 × 1,229,204.01
  4. Step 4: Simplify right side
    2,159,541.69x = 3,663,258,954,109.60
  5. Step 5: Solve for x
    x = 3,663,258,954,109.60/2,159,541.69
  6. Step 6: Final answer
    x = 1,696,313.14

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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.