Finding the Fourth Proportional to 4,240,219.55, 6,362,430.93 and 1,681,379.60
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Solution
The fourth proportional to 4,240,219.55, 6,362,430.93 and 1,681,379.60 is: 2,522,902.75
Step by Step Solution
- Step 1: Write the proportion equation
4,240,219.55 : 6,362,430.93 = 1,681,379.60 : x - Step 2: Convert to fraction form
4,240,219.55/6,362,430.93 = 1,681,379.60/x - Step 3: Cross multiply
4,240,219.55x = 6,362,430.93 × 1,681,379.60 - Step 4: Simplify right side
4,240,219.55x = 10,697,661,540,298.87 - Step 5: Solve for x
x = 10,697,661,540,298.87/4,240,219.55 - Step 6: Final answer
x = 2,522,902.75
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1.5x scale
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.