Finding the Fourth Proportional to 1,690,660.80, 2,536,379.99 and 553,459.68
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Solution
The fourth proportional to 1,690,660.80, 2,536,379.99 and 553,459.68 is: 830,316.80
Step by Step Solution
- Step 1: Write the proportion equation
1,690,660.80 : 2,536,379.99 = 553,459.68 : x - Step 2: Convert to fraction form
1,690,660.80/2,536,379.99 = 553,459.68/x - Step 3: Cross multiply
1,690,660.80x = 2,536,379.99 × 553,459.68 - Step 4: Simplify right side
1,690,660.80x = 1,403,784,057,623.80 - Step 5: Solve for x
x = 1,403,784,057,623.80/1,690,660.80 - Step 6: Final answer
x = 830,316.80
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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.