Home / 2,930,153.70-4,043,419.64-1,640,698.50

Finding the Fourth Proportional to 2,930,153.70, 4,043,419.64 and 1,640,698.50

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Solution

The fourth proportional to 2,930,153.70, 4,043,419.64 and 1,640,698.50 is: 2,264,056.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930,153.70 : 4,043,419.64 = 1,640,698.50 : x
  2. Step 2: Convert to fraction form
    2,930,153.70/4,043,419.64 = 1,640,698.50/x
  3. Step 3: Cross multiply
    2,930,153.70x = 4,043,419.64 × 1,640,698.50
  4. Step 4: Simplify right side
    2,930,153.70x = 6,634,032,538,218.54
  5. Step 5: Solve for x
    x = 6,634,032,538,218.54/2,930,153.70
  6. Step 6: Final answer
    x = 2,264,056.16

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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.