Home / 2,421,017.61-3,340,876.32-1,388,472

Finding the Fourth Proportional to 2,421,017.61, 3,340,876.32 and 1,388,472

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Solution

The fourth proportional to 2,421,017.61, 3,340,876.32 and 1,388,472 is: 1,916,017.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421,017.61 : 3,340,876.32 = 1,388,472 : x
  2. Step 2: Convert to fraction form
    2,421,017.61/3,340,876.32 = 1,388,472/x
  3. Step 3: Cross multiply
    2,421,017.61x = 3,340,876.32 × 1,388,472
  4. Step 4: Simplify right side
    2,421,017.61x = 4,638,713,225,783.04
  5. Step 5: Solve for x
    x = 4,638,713,225,783.04/2,421,017.61
  6. Step 6: Final answer
    x = 1,916,017.96

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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.