Finding the Fourth Proportional to 1,802,557.08, 2,484,878.58 and 1,372,087.44
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Solution
The fourth proportional to 1,802,557.08, 2,484,878.58 and 1,372,087.44 is: 1,891,463.37
Step by Step Solution
- Step 1: Write the proportion equation
1,802,557.08 : 2,484,878.58 = 1,372,087.44 : x - Step 2: Convert to fraction form
1,802,557.08/2,484,878.58 = 1,372,087.44/x - Step 3: Cross multiply
1,802,557.08x = 2,484,878.58 × 1,372,087.44 - Step 4: Simplify right side
1,802,557.08x = 3,409,470,689,543.04 - Step 5: Solve for x
x = 3,409,470,689,543.04/1,802,557.08 - Step 6: Final answer
x = 1,891,463.37
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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.