Home / 2,945,161.60-4,417,250.32-815,461

Finding the Fourth Proportional to 2,945,161.60, 4,417,250.32 and 815,461

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Solution

The fourth proportional to 2,945,161.60, 4,417,250.32 and 815,461 is: 1,223,055.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945,161.60 : 4,417,250.32 = 815,461 : x
  2. Step 2: Convert to fraction form
    2,945,161.60/4,417,250.32 = 815,461/x
  3. Step 3: Cross multiply
    2,945,161.60x = 4,417,250.32 × 815,461
  4. Step 4: Simplify right side
    2,945,161.60x = 3,602,095,363,197.52
  5. Step 5: Solve for x
    x = 3,602,095,363,197.52/2,945,161.60
  6. Step 6: Final answer
    x = 1,223,055.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.