Home / 1,803,222.81-2,483,429.63-1,393,816.41

Finding the Fourth Proportional to 1,803,222.81, 2,483,429.63 and 1,393,816.41

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Solution

The fourth proportional to 1,803,222.81, 2,483,429.63 and 1,393,816.41 is: 1,919,588.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803,222.81 : 2,483,429.63 = 1,393,816.41 : x
  2. Step 2: Convert to fraction form
    1,803,222.81/2,483,429.63 = 1,393,816.41/x
  3. Step 3: Cross multiply
    1,803,222.81x = 2,483,429.63 × 1,393,816.41
  4. Step 4: Simplify right side
    1,803,222.81x = 3,461,444,964,405.15
  5. Step 5: Solve for x
    x = 3,461,444,964,405.15/1,803,222.81
  6. Step 6: Final answer
    x = 1,919,588.05

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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.