Finding the Fourth Proportional to 2,699,989.74, 3,726,923.40 and 1,554,526.62
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Solution
The fourth proportional to 2,699,989.74, 3,726,923.40 and 1,554,526.62 is: 2,145,786.54
Step by Step Solution
- Step 1: Write the proportion equation
2,699,989.74 : 3,726,923.40 = 1,554,526.62 : x - Step 2: Convert to fraction form
2,699,989.74/3,726,923.40 = 1,554,526.62/x - Step 3: Cross multiply
2,699,989.74x = 3,726,923.40 × 1,554,526.62 - Step 4: Simplify right side
2,699,989.74x = 5,793,601,636,000.91 - Step 5: Solve for x
x = 5,793,601,636,000.91/2,699,989.74 - Step 6: Final answer
x = 2,145,786.54
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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.