Home / 1,953,729.34-2,697,463.08-1,219,802.21

Finding the Fourth Proportional to 1,953,729.34, 2,697,463.08 and 1,219,802.21

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Solution

The fourth proportional to 1,953,729.34, 2,697,463.08 and 1,219,802.21 is: 1,684,149.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953,729.34 : 2,697,463.08 = 1,219,802.21 : x
  2. Step 2: Convert to fraction form
    1,953,729.34/2,697,463.08 = 1,219,802.21/x
  3. Step 3: Cross multiply
    1,953,729.34x = 2,697,463.08 × 1,219,802.21
  4. Step 4: Simplify right side
    1,953,729.34x = 3,290,371,420,278.40
  5. Step 5: Solve for x
    x = 3,290,371,420,278.40/1,953,729.34
  6. Step 6: Final answer
    x = 1,684,149.06

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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.