Finding the Fourth Proportional to 2,390,907.97, 3,299,303.15 and 1,317,819.97
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Solution
The fourth proportional to 2,390,907.97, 3,299,303.15 and 1,317,819.97 is: 1,818,508.96
Step by Step Solution
- Step 1: Write the proportion equation
2,390,907.97 : 3,299,303.15 = 1,317,819.97 : x - Step 2: Convert to fraction form
2,390,907.97/3,299,303.15 = 1,317,819.97/x - Step 3: Cross multiply
2,390,907.97x = 3,299,303.15 × 1,317,819.97 - Step 4: Simplify right side
2,390,907.97x = 4,347,887,561,657.39 - Step 5: Solve for x
x = 4,347,887,561,657.39/2,390,907.97 - Step 6: Final answer
x = 1,818,508.96
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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.