Finding the Fourth Proportional to 4,884,675.60, 7,325,701.20 and 1,690,780.80
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Solution
The fourth proportional to 4,884,675.60, 7,325,701.20 and 1,690,780.80 is: 2,535,717.00
Step by Step Solution
- Step 1: Write the proportion equation
4,884,675.60 : 7,325,701.20 = 1,690,780.80 : x - Step 2: Convert to fraction form
4,884,675.60/7,325,701.20 = 1,690,780.80/x - Step 3: Cross multiply
4,884,675.60x = 7,325,701.20 × 1,690,780.80 - Step 4: Simplify right side
4,884,675.60x = 12,386,154,935,496.96 - Step 5: Solve for x
x = 12,386,154,935,496.96/4,884,675.60 - Step 6: Final answer
x = 2,535,717.00
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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.