Home / 2,717,021.72-4,075,282.67-919,699.76

Finding the Fourth Proportional to 2,717,021.72, 4,075,282.67 and 919,699.76

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Solution

The fourth proportional to 2,717,021.72, 4,075,282.67 and 919,699.76 is: 1,379,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717,021.72 : 4,075,282.67 = 919,699.76 : x
  2. Step 2: Convert to fraction form
    2,717,021.72/4,075,282.67 = 919,699.76/x
  3. Step 3: Cross multiply
    2,717,021.72x = 4,075,282.67 × 919,699.76
  4. Step 4: Simplify right side
    2,717,021.72x = 3,748,036,493,531.16
  5. Step 5: Solve for x
    x = 3,748,036,493,531.16/2,717,021.72
  6. Step 6: Final answer
    x = 1,379,465.05

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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.