Home / 6,290,603.10-9,421,907.85-5,170,859.10

Finding the Fourth Proportional to 6,290,603.10, 9,421,907.85 and 5,170,859.10

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Solution

The fourth proportional to 6,290,603.10, 9,421,907.85 and 5,170,859.10 is: 7,744,783.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290,603.10 : 9,421,907.85 = 5,170,859.10 : x
  2. Step 2: Convert to fraction form
    6,290,603.10/9,421,907.85 = 5,170,859.10/x
  3. Step 3: Cross multiply
    6,290,603.10x = 9,421,907.85 × 5,170,859.10
  4. Step 4: Simplify right side
    6,290,603.10x = 48,719,357,945,533.93
  5. Step 5: Solve for x
    x = 48,719,357,945,533.93/6,290,603.10
  6. Step 6: Final answer
    x = 7,744,783.32

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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.