Finding the Fourth Proportional to 5,538,347.87, 8,307,454.98 and 1,439,305.82
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Solution
The fourth proportional to 5,538,347.87, 8,307,454.98 and 1,439,305.82 is: 2,158,941.36
Step by Step Solution
- Step 1: Write the proportion equation
5,538,347.87 : 8,307,454.98 = 1,439,305.82 : x - Step 2: Convert to fraction form
5,538,347.87/8,307,454.98 = 1,439,305.82/x - Step 3: Cross multiply
5,538,347.87x = 8,307,454.98 × 1,439,305.82 - Step 4: Simplify right side
5,538,347.87x = 11,956,968,302,101.98 - Step 5: Solve for x
x = 11,956,968,302,101.98/5,538,347.87 - Step 6: Final answer
x = 2,158,941.36
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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.