Home / 7,113,484-9,816,608.40-3,894,220

Finding the Fourth Proportional to 7,113,484, 9,816,608.40 and 3,894,220

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Solution

The fourth proportional to 7,113,484, 9,816,608.40 and 3,894,220 is: 5,374,023.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113,484 : 9,816,608.40 = 3,894,220 : x
  2. Step 2: Convert to fraction form
    7,113,484/9,816,608.40 = 3,894,220/x
  3. Step 3: Cross multiply
    7,113,484x = 9,816,608.40 × 3,894,220
  4. Step 4: Simplify right side
    7,113,484x = 38,228,032,763,448
  5. Step 5: Solve for x
    x = 38,228,032,763,448/7,113,484
  6. Step 6: Final answer
    x = 5,374,023.86

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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.