Home / 3,078,553-4,248,323.94-1,720,437.16

Finding the Fourth Proportional to 3,078,553, 4,248,323.94 and 1,720,437.16

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Solution

The fourth proportional to 3,078,553, 4,248,323.94 and 1,720,437.16 is: 2,374,159.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,553 : 4,248,323.94 = 1,720,437.16 : x
  2. Step 2: Convert to fraction form
    3,078,553/4,248,323.94 = 1,720,437.16/x
  3. Step 3: Cross multiply
    3,078,553x = 4,248,323.94 × 1,720,437.16
  4. Step 4: Simplify right side
    3,078,553x = 7,308,974,374,093.61
  5. Step 5: Solve for x
    x = 7,308,974,374,093.61/3,078,553
  6. Step 6: Final answer
    x = 2,374,159.02

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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.