Finding the Fourth Proportional to 5,314,208.20, 7,971,312.30 and 3,684,455.80
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Solution
The fourth proportional to 5,314,208.20, 7,971,312.30 and 3,684,455.80 is: 5,526,683.70
Step by Step Solution
- Step 1: Write the proportion equation
5,314,208.20 : 7,971,312.30 = 3,684,455.80 : x - Step 2: Convert to fraction form
5,314,208.20/7,971,312.30 = 3,684,455.80/x - Step 3: Cross multiply
5,314,208.20x = 7,971,312.30 × 3,684,455.80 - Step 4: Simplify right side
5,314,208.20x = 29,369,947,837,346.34 - Step 5: Solve for x
x = 29,369,947,837,346.34/5,314,208.20 - Step 6: Final answer
x = 5,526,683.70
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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.