Finding the Fourth Proportional to 3,531,886.88, 5,298,620.06 and 1,288,024.88
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Solution
The fourth proportional to 3,531,886.88, 5,298,620.06 and 1,288,024.88 is: 1,932,325.32
Step by Step Solution
- Step 1: Write the proportion equation
3,531,886.88 : 5,298,620.06 = 1,288,024.88 : x - Step 2: Convert to fraction form
3,531,886.88/5,298,620.06 = 1,288,024.88/x - Step 3: Cross multiply
3,531,886.88x = 5,298,620.06 × 1,288,024.88 - Step 4: Simplify right side
3,531,886.88x = 6,824,754,443,674.06 - Step 5: Solve for x
x = 6,824,754,443,674.06/3,531,886.88 - Step 6: Final answer
x = 1,932,325.32
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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.