Finding the Fourth Proportional to 1,995,621.45, 2,990,962.41 and 1,418,324.63
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Solution
The fourth proportional to 1,995,621.45, 2,990,962.41 and 1,418,324.63 is: 2,125,731.64
Step by Step Solution
- Step 1: Write the proportion equation
1,995,621.45 : 2,990,962.41 = 1,418,324.63 : x - Step 2: Convert to fraction form
1,995,621.45/2,990,962.41 = 1,418,324.63/x - Step 3: Cross multiply
1,995,621.45x = 2,990,962.41 × 1,418,324.63 - Step 4: Simplify right side
1,995,621.45x = 4,242,155,658,035.87 - Step 5: Solve for x
x = 4,242,155,658,035.87/1,995,621.45 - Step 6: Final answer
x = 2,125,731.64
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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.