Home / 2,472,802.80-3,709,204.20-1,209,980.40

Finding the Fourth Proportional to 2,472,802.80, 3,709,204.20 and 1,209,980.40

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Solution

The fourth proportional to 2,472,802.80, 3,709,204.20 and 1,209,980.40 is: 1,814,970.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472,802.80 : 3,709,204.20 = 1,209,980.40 : x
  2. Step 2: Convert to fraction form
    2,472,802.80/3,709,204.20 = 1,209,980.40/x
  3. Step 3: Cross multiply
    2,472,802.80x = 3,709,204.20 × 1,209,980.40
  4. Step 4: Simplify right side
    2,472,802.80x = 4,488,064,381,597.68
  5. Step 5: Solve for x
    x = 4,488,064,381,597.68/2,472,802.80
  6. Step 6: Final answer
    x = 1,814,970.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.