Home / 3,430,875.88-4,734,574.50-1,902,943.72

Finding the Fourth Proportional to 3,430,875.88, 4,734,574.50 and 1,902,943.72

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Solution

The fourth proportional to 3,430,875.88, 4,734,574.50 and 1,902,943.72 is: 2,626,043.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430,875.88 : 4,734,574.50 = 1,902,943.72 : x
  2. Step 2: Convert to fraction form
    3,430,875.88/4,734,574.50 = 1,902,943.72/x
  3. Step 3: Cross multiply
    3,430,875.88x = 4,734,574.50 × 1,902,943.72
  4. Step 4: Simplify right side
    3,430,875.88x = 9,009,628,811,647.14
  5. Step 5: Solve for x
    x = 9,009,628,811,647.14/3,430,875.88
  6. Step 6: Final answer
    x = 2,626,043.36

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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.