Home / 3,362,352-4,640,045.76-2,155,128

Finding the Fourth Proportional to 3,362,352, 4,640,045.76 and 2,155,128

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Solution

The fourth proportional to 3,362,352, 4,640,045.76 and 2,155,128 is: 2,974,076.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362,352 : 4,640,045.76 = 2,155,128 : x
  2. Step 2: Convert to fraction form
    3,362,352/4,640,045.76 = 2,155,128/x
  3. Step 3: Cross multiply
    3,362,352x = 4,640,045.76 × 2,155,128
  4. Step 4: Simplify right side
    3,362,352x = 9,999,892,538,657.28
  5. Step 5: Solve for x
    x = 9,999,892,538,657.28/3,362,352
  6. Step 6: Final answer
    x = 2,974,076.64

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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.