Finding the Fourth Proportional to 4,984,486.79, 6,878,597.93 and 2,692,647.48
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Solution
The fourth proportional to 4,984,486.79, 6,878,597.93 and 2,692,647.48 is: 3,715,856.85
Step by Step Solution
- Step 1: Write the proportion equation
4,984,486.79 : 6,878,597.93 = 2,692,647.48 : x - Step 2: Convert to fraction form
4,984,486.79/6,878,597.93 = 2,692,647.48/x - Step 3: Cross multiply
4,984,486.79x = 6,878,597.93 × 2,692,647.48 - Step 4: Simplify right side
4,984,486.79x = 18,521,639,381,030.68 - Step 5: Solve for x
x = 18,521,639,381,030.68/4,984,486.79 - Step 6: Final answer
x = 3,715,856.85
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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.