Finding the Fourth Proportional to 1,536,447.66, 2,120,298.17 and 848,119.92
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Solution
The fourth proportional to 1,536,447.66, 2,120,298.17 and 848,119.92 is: 1,170,405.71
Step by Step Solution
- Step 1: Write the proportion equation
1,536,447.66 : 2,120,298.17 = 848,119.92 : x - Step 2: Convert to fraction form
1,536,447.66/2,120,298.17 = 848,119.92/x - Step 3: Cross multiply
1,536,447.66x = 2,120,298.17 × 848,119.92 - Step 4: Simplify right side
1,536,447.66x = 1,798,267,110,075.95 - Step 5: Solve for x
x = 1,798,267,110,075.95/1,536,447.66 - Step 6: Final answer
x = 1,170,405.71
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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.