Home / 3,436,547.40-4,742,157.69-1,986,336.72

Finding the Fourth Proportional to 3,436,547.40, 4,742,157.69 and 1,986,336.72

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Solution

The fourth proportional to 3,436,547.40, 4,742,157.69 and 1,986,336.72 is: 2,740,984.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436,547.40 : 4,742,157.69 = 1,986,336.72 : x
  2. Step 2: Convert to fraction form
    3,436,547.40/4,742,157.69 = 1,986,336.72/x
  3. Step 3: Cross multiply
    3,436,547.40x = 4,742,157.69 × 1,986,336.72
  4. Step 4: Simplify right side
    3,436,547.40x = 9,419,521,951,677.38
  5. Step 5: Solve for x
    x = 9,419,521,951,677.38/3,436,547.40
  6. Step 6: Final answer
    x = 2,740,984.15

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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.