Finding the Fourth Proportional to 3,603,842.08, 4,973,235.57 and 1,972,216.55
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Solution
The fourth proportional to 3,603,842.08, 4,973,235.57 and 1,972,216.55 is: 2,721,622.45
Step by Step Solution
- Step 1: Write the proportion equation
3,603,842.08 : 4,973,235.57 = 1,972,216.55 : x - Step 2: Convert to fraction form
3,603,842.08/4,973,235.57 = 1,972,216.55/x - Step 3: Cross multiply
3,603,842.08x = 4,973,235.57 × 1,972,216.55 - Step 4: Simplify right side
3,603,842.08x = 9,808,297,510,635.77 - Step 5: Solve for x
x = 9,808,297,510,635.77/3,603,842.08 - Step 6: Final answer
x = 2,721,622.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.