Finding the Fourth Proportional to 5,642,121.02, 8,458,162.36 and 2,445,503.40
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Solution
The fourth proportional to 5,642,121.02, 8,458,162.36 and 2,445,503.40 is: 3,666,079.61
Step by Step Solution
- Step 1: Write the proportion equation
5,642,121.02 : 8,458,162.36 = 2,445,503.40 : x - Step 2: Convert to fraction form
5,642,121.02/8,458,162.36 = 2,445,503.40/x - Step 3: Cross multiply
5,642,121.02x = 8,458,162.36 × 2,445,503.40 - Step 4: Simplify right side
5,642,121.02x = 20,684,464,803,018.27 - Step 5: Solve for x
x = 20,684,464,803,018.27/5,642,121.02 - Step 6: Final answer
x = 3,666,079.61
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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.