Home / 2,166,577.02-2,989,839.75-1,199,686.53

Finding the Fourth Proportional to 2,166,577.02, 2,989,839.75 and 1,199,686.53

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Solution

The fourth proportional to 2,166,577.02, 2,989,839.75 and 1,199,686.53 is: 1,655,547.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,577.02 : 2,989,839.75 = 1,199,686.53 : x
  2. Step 2: Convert to fraction form
    2,166,577.02/2,989,839.75 = 1,199,686.53/x
  3. Step 3: Cross multiply
    2,166,577.02x = 2,989,839.75 × 1,199,686.53
  4. Step 4: Simplify right side
    2,166,577.02x = 3,586,870,474,933.57
  5. Step 5: Solve for x
    x = 3,586,870,474,933.57/2,166,577.02
  6. Step 6: Final answer
    x = 1,655,547.18

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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.