Home / 4,699,156.23-7,048,739.78-1,287,472.44

Finding the Fourth Proportional to 4,699,156.23, 7,048,739.78 and 1,287,472.44

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Solution

The fourth proportional to 4,699,156.23, 7,048,739.78 and 1,287,472.44 is: 1,931,210.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,699,156.23 : 7,048,739.78 = 1,287,472.44 : x
  2. Step 2: Convert to fraction form
    4,699,156.23/7,048,739.78 = 1,287,472.44/x
  3. Step 3: Cross multiply
    4,699,156.23x = 7,048,739.78 × 1,287,472.44
  4. Step 4: Simplify right side
    4,699,156.23x = 9,075,058,197,044.30
  5. Step 5: Solve for x
    x = 9,075,058,197,044.30/4,699,156.23
  6. Step 6: Final answer
    x = 1,931,210.15

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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.