Home / 7,047,690.90-10,570,499.55-1,999,511.70

Finding the Fourth Proportional to 7,047,690.90, 10,570,499.55 and 1,999,511.70

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Solution

The fourth proportional to 7,047,690.90, 10,570,499.55 and 1,999,511.70 is: 2,998,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047,690.90 : 10,570,499.55 = 1,999,511.70 : x
  2. Step 2: Convert to fraction form
    7,047,690.90/10,570,499.55 = 1,999,511.70/x
  3. Step 3: Cross multiply
    7,047,690.90x = 10,570,499.55 × 1,999,511.70
  4. Step 4: Simplify right side
    7,047,690.90x = 21,135,837,525,069.73
  5. Step 5: Solve for x
    x = 21,135,837,525,069.73/7,047,690.90
  6. Step 6: Final answer
    x = 2,998,973.40

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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.