Finding the Fourth Proportional to 4,838,811.21, 6,677,506.55 and 2,663,307.54
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Solution
The fourth proportional to 4,838,811.21, 6,677,506.55 and 2,663,307.54 is: 3,675,335.28
Step by Step Solution
- Step 1: Write the proportion equation
4,838,811.21 : 6,677,506.55 = 2,663,307.54 : x - Step 2: Convert to fraction form
4,838,811.21/6,677,506.55 = 2,663,307.54/x - Step 3: Cross multiply
4,838,811.21x = 6,677,506.55 × 2,663,307.54 - Step 4: Simplify right side
4,838,811.21x = 17,784,253,549,672.66 - Step 5: Solve for x
x = 17,784,253,549,672.66/4,838,811.21 - Step 6: Final answer
x = 3,675,335.28
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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.