Finding the Fourth Proportional to 1,388,448.92, 2,084,600.81 and 715,011.68
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Solution
The fourth proportional to 1,388,448.92, 2,084,600.81 and 715,011.68 is: 1,073,510.09
Step by Step Solution
- Step 1: Write the proportion equation
1,388,448.92 : 2,084,600.81 = 715,011.68 : x - Step 2: Convert to fraction form
1,388,448.92/2,084,600.81 = 715,011.68/x - Step 3: Cross multiply
1,388,448.92x = 2,084,600.81 × 715,011.68 - Step 4: Simplify right side
1,388,448.92x = 1,490,513,918,651.99 - Step 5: Solve for x
x = 1,490,513,918,651.99/1,388,448.92 - Step 6: Final answer
x = 1,073,510.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.