Finding the Fourth Proportional to 7,289,448.54, 10,935,803.71 and 2,740,536.75
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Solution
The fourth proportional to 7,289,448.54, 10,935,803.71 and 2,740,536.75 is: 4,111,418.28
Step by Step Solution
- Step 1: Write the proportion equation
7,289,448.54 : 10,935,803.71 = 2,740,536.75 : x - Step 2: Convert to fraction form
7,289,448.54/10,935,803.71 = 2,740,536.75/x - Step 3: Cross multiply
7,289,448.54x = 10,935,803.71 × 2,740,536.75 - Step 4: Simplify right side
7,289,448.54x = 29,969,971,958,041.34 - Step 5: Solve for x
x = 29,969,971,958,041.34/7,289,448.54 - Step 6: Final answer
x = 4,111,418.28
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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.