Home / 1,628,061.45-2,246,427.63-939,482.05

Finding the Fourth Proportional to 1,628,061.45, 2,246,427.63 and 939,482.05

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Solution

The fourth proportional to 1,628,061.45, 2,246,427.63 and 939,482.05 is: 1,296,313.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,061.45 : 2,246,427.63 = 939,482.05 : x
  2. Step 2: Convert to fraction form
    1,628,061.45/2,246,427.63 = 939,482.05/x
  3. Step 3: Cross multiply
    1,628,061.45x = 2,246,427.63 × 939,482.05
  4. Step 4: Simplify right side
    1,628,061.45x = 2,110,478,435,009.04
  5. Step 5: Solve for x
    x = 2,110,478,435,009.04/1,628,061.45
  6. Step 6: Final answer
    x = 1,296,313.74

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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.