Home / 5,113,353.79-7,671,248.57-1,918,507.64

Finding the Fourth Proportional to 5,113,353.79, 7,671,248.57 and 1,918,507.64

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Solution

The fourth proportional to 5,113,353.79, 7,671,248.57 and 1,918,507.64 is: 2,878,218.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113,353.79 : 7,671,248.57 = 1,918,507.64 : x
  2. Step 2: Convert to fraction form
    5,113,353.79/7,671,248.57 = 1,918,507.64/x
  3. Step 3: Cross multiply
    5,113,353.79x = 7,671,248.57 × 1,918,507.64
  4. Step 4: Simplify right side
    5,113,353.79x = 14,717,348,985,087.80
  5. Step 5: Solve for x
    x = 14,717,348,985,087.80/5,113,353.79
  6. Step 6: Final answer
    x = 2,878,218.41

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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.