Home / 3,390,719.42-4,677,117.45-2,013,128.66

Finding the Fourth Proportional to 3,390,719.42, 4,677,117.45 and 2,013,128.66

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Solution

The fourth proportional to 3,390,719.42, 4,677,117.45 and 2,013,128.66 is: 2,776,885.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,719.42 : 4,677,117.45 = 2,013,128.66 : x
  2. Step 2: Convert to fraction form
    3,390,719.42/4,677,117.45 = 2,013,128.66/x
  3. Step 3: Cross multiply
    3,390,719.42x = 4,677,117.45 × 2,013,128.66
  4. Step 4: Simplify right side
    3,390,719.42x = 9,415,639,184,781.12
  5. Step 5: Solve for x
    x = 9,415,639,184,781.12/3,390,719.42
  6. Step 6: Final answer
    x = 2,776,885.38

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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.