Home / 4,662,721.04-6,989,932.28-1,822,187.28

Finding the Fourth Proportional to 4,662,721.04, 6,989,932.28 and 1,822,187.28

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Solution

The fourth proportional to 4,662,721.04, 6,989,932.28 and 1,822,187.28 is: 2,731,659.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,662,721.04 : 6,989,932.28 = 1,822,187.28 : x
  2. Step 2: Convert to fraction form
    4,662,721.04/6,989,932.28 = 1,822,187.28/x
  3. Step 3: Cross multiply
    4,662,721.04x = 6,989,932.28 × 1,822,187.28
  4. Step 4: Simplify right side
    4,662,721.04x = 12,736,965,688,677.40
  5. Step 5: Solve for x
    x = 12,736,965,688,677.40/4,662,721.04
  6. Step 6: Final answer
    x = 2,731,659.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.