Home / 2,918,416.10-4,380,280.64-1,553,335.81

Finding the Fourth Proportional to 2,918,416.10, 4,380,280.64 and 1,553,335.81

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Solution

The fourth proportional to 2,918,416.10, 4,380,280.64 and 1,553,335.81 is: 2,331,417.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,416.10 : 4,380,280.64 = 1,553,335.81 : x
  2. Step 2: Convert to fraction form
    2,918,416.10/4,380,280.64 = 1,553,335.81/x
  3. Step 3: Cross multiply
    2,918,416.10x = 4,380,280.64 × 1,553,335.81
  4. Step 4: Simplify right side
    2,918,416.10x = 6,804,046,775,388.89
  5. Step 5: Solve for x
    x = 6,804,046,775,388.89/2,918,416.10
  6. Step 6: Final answer
    x = 2,331,417.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.