Finding the Fourth Proportional to 4,817,985, 6,649,062.84 and 2,642,730.54
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Solution
The fourth proportional to 4,817,985, 6,649,062.84 and 2,642,730.54 is: 3,647,101.73
Step by Step Solution
- Step 1: Write the proportion equation
4,817,985 : 6,649,062.84 = 2,642,730.54 : x - Step 2: Convert to fraction form
4,817,985/6,649,062.84 = 2,642,730.54/x - Step 3: Cross multiply
4,817,985x = 6,649,062.84 × 2,642,730.54 - Step 4: Simplify right side
4,817,985x = 17,571,681,429,647.13 - Step 5: Solve for x
x = 17,571,681,429,647.13/4,817,985 - Step 6: Final answer
x = 3,647,101.73
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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.