Finding the Fourth Proportional to 1,370,741.42, 2,056,332.45 and 471,962.18
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Solution
The fourth proportional to 1,370,741.42, 2,056,332.45 and 471,962.18 is: 708,019.12
Step by Step Solution
- Step 1: Write the proportion equation
1,370,741.42 : 2,056,332.45 = 471,962.18 : x - Step 2: Convert to fraction form
1,370,741.42/2,056,332.45 = 471,962.18/x - Step 3: Cross multiply
1,370,741.42x = 2,056,332.45 × 471,962.18 - Step 4: Simplify right side
1,370,741.42x = 970,511,135,625.08 - Step 5: Solve for x
x = 970,511,135,625.08/1,370,741.42 - Step 6: Final answer
x = 708,019.12
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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.