Finding the Fourth Proportional to 3,999,321.20, 5,997,747.36 and 1,159,642.64
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Solution
The fourth proportional to 3,999,321.20, 5,997,747.36 and 1,159,642.64 is: 1,739,106.02
Step by Step Solution
- Step 1: Write the proportion equation
3,999,321.20 : 5,997,747.36 = 1,159,642.64 : x - Step 2: Convert to fraction form
3,999,321.20/5,997,747.36 = 1,159,642.64/x - Step 3: Cross multiply
3,999,321.20x = 5,997,747.36 × 1,159,642.64 - Step 4: Simplify right side
3,999,321.20x = 6,955,243,582,603.43 - Step 5: Solve for x
x = 6,955,243,582,603.43/3,999,321.20 - Step 6: Final answer
x = 1,739,106.02
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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.