Home / 2,488,788.60-3,434,533.95-1,386,211.19

Finding the Fourth Proportional to 2,488,788.60, 3,434,533.95 and 1,386,211.19

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Solution

The fourth proportional to 2,488,788.60, 3,434,533.95 and 1,386,211.19 is: 1,912,974.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,488,788.60 : 3,434,533.95 = 1,386,211.19 : x
  2. Step 2: Convert to fraction form
    2,488,788.60/3,434,533.95 = 1,386,211.19/x
  3. Step 3: Cross multiply
    2,488,788.60x = 3,434,533.95 × 1,386,211.19
  4. Step 4: Simplify right side
    2,488,788.60x = 4,760,989,376,752.23
  5. Step 5: Solve for x
    x = 4,760,989,376,752.23/2,488,788.60
  6. Step 6: Final answer
    x = 1,912,974.60

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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.