Home / 2,808,045.60-4,212,068.40-1,390,869.60

Finding the Fourth Proportional to 2,808,045.60, 4,212,068.40 and 1,390,869.60

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Solution

The fourth proportional to 2,808,045.60, 4,212,068.40 and 1,390,869.60 is: 2,086,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,045.60 : 4,212,068.40 = 1,390,869.60 : x
  2. Step 2: Convert to fraction form
    2,808,045.60/4,212,068.40 = 1,390,869.60/x
  3. Step 3: Cross multiply
    2,808,045.60x = 4,212,068.40 × 1,390,869.60
  4. Step 4: Simplify right side
    2,808,045.60x = 5,858,437,890,680.64
  5. Step 5: Solve for x
    x = 5,858,437,890,680.64/2,808,045.60
  6. Step 6: Final answer
    x = 2,086,304.40

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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.