Home / 3,119,904.80-4,679,857.20-1,623,802.40

Finding the Fourth Proportional to 3,119,904.80, 4,679,857.20 and 1,623,802.40

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Solution

The fourth proportional to 3,119,904.80, 4,679,857.20 and 1,623,802.40 is: 2,435,703.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,904.80 : 4,679,857.20 = 1,623,802.40 : x
  2. Step 2: Convert to fraction form
    3,119,904.80/4,679,857.20 = 1,623,802.40/x
  3. Step 3: Cross multiply
    3,119,904.80x = 4,679,857.20 × 1,623,802.40
  4. Step 4: Simplify right side
    3,119,904.80x = 7,599,163,353,017.28
  5. Step 5: Solve for x
    x = 7,599,163,353,017.28/3,119,904.80
  6. Step 6: Final answer
    x = 2,435,703.60

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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.