Finding the Fourth Proportional to 4,618,342.72, 6,927,881.37 and 1,379,642.68
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Solution
The fourth proportional to 4,618,342.72, 6,927,881.37 and 1,379,642.68 is: 2,069,573.74
Step by Step Solution
- Step 1: Write the proportion equation
4,618,342.72 : 6,927,881.37 = 1,379,642.68 : x - Step 2: Convert to fraction form
4,618,342.72/6,927,881.37 = 1,379,642.68/x - Step 3: Cross multiply
4,618,342.72x = 6,927,881.37 × 1,379,642.68 - Step 4: Simplify right side
4,618,342.72x = 9,558,000,820,028.87 - Step 5: Solve for x
x = 9,558,000,820,028.87/4,618,342.72 - Step 6: Final answer
x = 2,069,573.74
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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.