Home / 2,938,123.40-4,406,925.90-808,017.80

Finding the Fourth Proportional to 2,938,123.40, 4,406,925.90 and 808,017.80

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Solution

The fourth proportional to 2,938,123.40, 4,406,925.90 and 808,017.80 is: 1,211,955.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,123.40 : 4,406,925.90 = 808,017.80 : x
  2. Step 2: Convert to fraction form
    2,938,123.40/4,406,925.90 = 808,017.80/x
  3. Step 3: Cross multiply
    2,938,123.40x = 4,406,925.90 × 808,017.80
  4. Step 4: Simplify right side
    2,938,123.40x = 3,560,874,570,481.02
  5. Step 5: Solve for x
    x = 3,560,874,570,481.02/2,938,123.40
  6. Step 6: Final answer
    x = 1,211,955.42

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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.