Finding the Fourth Proportional to 5,389,412.97, 7,437,565.93 and 2,942,154.51
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Solution
The fourth proportional to 5,389,412.97, 7,437,565.93 and 2,942,154.51 is: 4,060,269.32
Step by Step Solution
- Step 1: Write the proportion equation
5,389,412.97 : 7,437,565.93 = 2,942,154.51 : x - Step 2: Convert to fraction form
5,389,412.97/7,437,565.93 = 2,942,154.51/x - Step 3: Cross multiply
5,389,412.97x = 7,437,565.93 × 2,942,154.51 - Step 4: Simplify right side
5,389,412.97x = 21,882,468,144,371.84 - Step 5: Solve for x
x = 21,882,468,144,371.84/5,389,412.97 - Step 6: Final answer
x = 4,060,269.32
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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.