Home / 2,859,386.40-3,945,953.14-1,570,248.32

Finding the Fourth Proportional to 2,859,386.40, 3,945,953.14 and 1,570,248.32

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Solution

The fourth proportional to 2,859,386.40, 3,945,953.14 and 1,570,248.32 is: 2,166,942.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859,386.40 : 3,945,953.14 = 1,570,248.32 : x
  2. Step 2: Convert to fraction form
    2,859,386.40/3,945,953.14 = 1,570,248.32/x
  3. Step 3: Cross multiply
    2,859,386.40x = 3,945,953.14 × 1,570,248.32
  4. Step 4: Simplify right side
    2,859,386.40x = 6,196,126,288,883.73
  5. Step 5: Solve for x
    x = 6,196,126,288,883.73/2,859,386.40
  6. Step 6: Final answer
    x = 2,166,942.63

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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.