Home / 3,388,359.15-4,674,583.40-2,164,347.18

Finding the Fourth Proportional to 3,388,359.15, 4,674,583.40 and 2,164,347.18

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Solution

The fourth proportional to 3,388,359.15, 4,674,583.40 and 2,164,347.18 is: 2,985,935.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388,359.15 : 4,674,583.40 = 2,164,347.18 : x
  2. Step 2: Convert to fraction form
    3,388,359.15/4,674,583.40 = 2,164,347.18/x
  3. Step 3: Cross multiply
    3,388,359.15x = 4,674,583.40 × 2,164,347.18
  4. Step 4: Simplify right side
    3,388,359.15x = 10,117,421,388,643.08
  5. Step 5: Solve for x
    x = 10,117,421,388,643.08/3,388,359.15
  6. Step 6: Final answer
    x = 2,985,935.36

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Double scale
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1.5x scale

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.