Finding the Fourth Proportional to 3,577,485.36, 5,365,543.42 and 1,389,055.08
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Solution
The fourth proportional to 3,577,485.36, 5,365,543.42 and 1,389,055.08 is: 2,083,316.80
Step by Step Solution
- Step 1: Write the proportion equation
3,577,485.36 : 5,365,543.42 = 1,389,055.08 : x - Step 2: Convert to fraction form
3,577,485.36/5,365,543.42 = 1,389,055.08/x - Step 3: Cross multiply
3,577,485.36x = 5,365,543.42 × 1,389,055.08 - Step 4: Simplify right side
3,577,485.36x = 7,453,035,344,511.57 - Step 5: Solve for x
x = 7,453,035,344,511.57/3,577,485.36 - Step 6: Final answer
x = 2,083,316.80
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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.