Home / 2,075,380.96-2,864,740.08-1,216,219.36

Finding the Fourth Proportional to 2,075,380.96, 2,864,740.08 and 1,216,219.36

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Solution

The fourth proportional to 2,075,380.96, 2,864,740.08 and 1,216,219.36 is: 1,678,801.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,380.96 : 2,864,740.08 = 1,216,219.36 : x
  2. Step 2: Convert to fraction form
    2,075,380.96/2,864,740.08 = 1,216,219.36/x
  3. Step 3: Cross multiply
    2,075,380.96x = 2,864,740.08 × 1,216,219.36
  4. Step 4: Simplify right side
    2,075,380.96x = 3,484,152,346,663.95
  5. Step 5: Solve for x
    x = 3,484,152,346,663.95/2,075,380.96
  6. Step 6: Final answer
    x = 1,678,801.34

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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.