Finding the Fourth Proportional to 5,389,972.70, 8,086,125.45 and 1,603,838.30
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Solution
The fourth proportional to 5,389,972.70, 8,086,125.45 and 1,603,838.30 is: 2,406,104.52
Step by Step Solution
- Step 1: Write the proportion equation
5,389,972.70 : 8,086,125.45 = 1,603,838.30 : x - Step 2: Convert to fraction form
5,389,972.70/8,086,125.45 = 1,603,838.30/x - Step 3: Cross multiply
5,389,972.70x = 8,086,125.45 × 1,603,838.30 - Step 4: Simplify right side
5,389,972.70x = 12,968,837,695,314.74 - Step 5: Solve for x
x = 12,968,837,695,314.74/5,389,972.70 - Step 6: Final answer
x = 2,406,104.52
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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.