Finding the Fourth Proportional to 2,390,303.97, 3,298,523.43 and 1,302,552.21
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Solution
The fourth proportional to 2,390,303.97, 3,298,523.43 and 1,302,552.21 is: 1,797,469.71
Step by Step Solution
- Step 1: Write the proportion equation
2,390,303.97 : 3,298,523.43 = 1,302,552.21 : x - Step 2: Convert to fraction form
2,390,303.97/3,298,523.43 = 1,302,552.21/x - Step 3: Cross multiply
2,390,303.97x = 3,298,523.43 × 1,302,552.21 - Step 4: Simplify right side
2,390,303.97x = 4,296,498,983,483.28 - Step 5: Solve for x
x = 4,296,498,983,483.28/2,390,303.97 - Step 6: Final answer
x = 1,797,469.71
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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.