Home / 4,890,106.60-7,335,123.45-1,478,386.60

Finding the Fourth Proportional to 4,890,106.60, 7,335,123.45 and 1,478,386.60

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Solution

The fourth proportional to 4,890,106.60, 7,335,123.45 and 1,478,386.60 is: 2,217,568.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890,106.60 : 7,335,123.45 = 1,478,386.60 : x
  2. Step 2: Convert to fraction form
    4,890,106.60/7,335,123.45 = 1,478,386.60/x
  3. Step 3: Cross multiply
    4,890,106.60x = 7,335,123.45 × 1,478,386.60
  4. Step 4: Simplify right side
    4,890,106.60x = 10,844,148,217,825.77
  5. Step 5: Solve for x
    x = 10,844,148,217,825.77/4,890,106.60
  6. Step 6: Final answer
    x = 2,217,568.88

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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.