Home / 3,557,479.71-4,909,299.48-1,925,875.20

Finding the Fourth Proportional to 3,557,479.71, 4,909,299.48 and 1,925,875.20

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Solution

The fourth proportional to 3,557,479.71, 4,909,299.48 and 1,925,875.20 is: 2,657,695.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557,479.71 : 4,909,299.48 = 1,925,875.20 : x
  2. Step 2: Convert to fraction form
    3,557,479.71/4,909,299.48 = 1,925,875.20/x
  3. Step 3: Cross multiply
    3,557,479.71x = 4,909,299.48 × 1,925,875.20
  4. Step 4: Simplify right side
    3,557,479.71x = 9,454,698,117,904.90
  5. Step 5: Solve for x
    x = 9,454,698,117,904.90/3,557,479.71
  6. Step 6: Final answer
    x = 2,657,695.58

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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.