Finding the Fourth Proportional to 5,517,701.80, 8,276,811.90 and 1,731,308.20
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Solution
The fourth proportional to 5,517,701.80, 8,276,811.90 and 1,731,308.20 is: 2,597,043.63
Step by Step Solution
- Step 1: Write the proportion equation
5,517,701.80 : 8,276,811.90 = 1,731,308.20 : x - Step 2: Convert to fraction form
5,517,701.80/8,276,811.90 = 1,731,308.20/x - Step 3: Cross multiply
5,517,701.80x = 8,276,811.90 × 1,731,308.20 - Step 4: Simplify right side
5,517,701.80x = 14,329,712,312,327.58 - Step 5: Solve for x
x = 14,329,712,312,327.58/5,517,701.80 - Step 6: Final answer
x = 2,597,043.63
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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.