Home / 2,235,483-3,084,966.90-1,216,895.40

Finding the Fourth Proportional to 2,235,483, 3,084,966.90 and 1,216,895.40

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Solution

The fourth proportional to 2,235,483, 3,084,966.90 and 1,216,895.40 is: 1,679,315.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235,483 : 3,084,966.90 = 1,216,895.40 : x
  2. Step 2: Convert to fraction form
    2,235,483/3,084,966.90 = 1,216,895.40/x
  3. Step 3: Cross multiply
    2,235,483x = 3,084,966.90 × 1,216,895.40
  4. Step 4: Simplify right side
    2,235,483x = 3,754,082,029,762.26
  5. Step 5: Solve for x
    x = 3,754,082,029,762.26/2,235,483
  6. Step 6: Final answer
    x = 1,679,315.85

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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.