Home / 1,900,356.88-2,618,064.36-1,326,384.40

Finding the Fourth Proportional to 1,900,356.88, 2,618,064.36 and 1,326,384.40

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Solution

The fourth proportional to 1,900,356.88, 2,618,064.36 and 1,326,384.40 is: 1,827,319.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,356.88 : 2,618,064.36 = 1,326,384.40 : x
  2. Step 2: Convert to fraction form
    1,900,356.88/2,618,064.36 = 1,326,384.40/x
  3. Step 3: Cross multiply
    1,900,356.88x = 2,618,064.36 × 1,326,384.40
  4. Step 4: Simplify right side
    1,900,356.88x = 3,472,559,725,299.98
  5. Step 5: Solve for x
    x = 3,472,559,725,299.98/1,900,356.88
  6. Step 6: Final answer
    x = 1,827,319.78

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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.