Home / 2,235,499-3,084,988.98-1,216,911.40

Finding the Fourth Proportional to 2,235,499, 3,084,988.98 and 1,216,911.40

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Solution

The fourth proportional to 2,235,499, 3,084,988.98 and 1,216,911.40 is: 1,679,337.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235,499 : 3,084,988.98 = 1,216,911.40 : x
  2. Step 2: Convert to fraction form
    2,235,499/3,084,988.98 = 1,216,911.40/x
  3. Step 3: Cross multiply
    2,235,499x = 3,084,988.98 × 1,216,911.40
  4. Step 4: Simplify right side
    2,235,499x = 3,754,158,258,636.37
  5. Step 5: Solve for x
    x = 3,754,158,258,636.37/2,235,499
  6. Step 6: Final answer
    x = 1,679,337.93

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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.