Home / 2,838,324-3,916,887.12-1,821,106.56

Finding the Fourth Proportional to 2,838,324, 3,916,887.12 and 1,821,106.56

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Solution

The fourth proportional to 2,838,324, 3,916,887.12 and 1,821,106.56 is: 2,513,127.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838,324 : 3,916,887.12 = 1,821,106.56 : x
  2. Step 2: Convert to fraction form
    2,838,324/3,916,887.12 = 1,821,106.56/x
  3. Step 3: Cross multiply
    2,838,324x = 3,916,887.12 × 1,821,106.56
  4. Step 4: Simplify right side
    2,838,324x = 7,133,068,829,011.51
  5. Step 5: Solve for x
    x = 7,133,068,829,011.51/2,838,324
  6. Step 6: Final answer
    x = 2,513,127.05

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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.