Home / 5,578,019.36-7,697,343.12-3,130,401.80

Finding the Fourth Proportional to 5,578,019.36, 7,697,343.12 and 3,130,401.80

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Solution

The fourth proportional to 5,578,019.36, 7,697,343.12 and 3,130,401.80 is: 4,319,772.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578,019.36 : 7,697,343.12 = 3,130,401.80 : x
  2. Step 2: Convert to fraction form
    5,578,019.36/7,697,343.12 = 3,130,401.80/x
  3. Step 3: Cross multiply
    5,578,019.36x = 7,697,343.12 × 3,130,401.80
  4. Step 4: Simplify right side
    5,578,019.36x = 24,095,776,758,065.61
  5. Step 5: Solve for x
    x = 24,095,776,758,065.61/5,578,019.36
  6. Step 6: Final answer
    x = 4,319,772.88

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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.