Finding the Fourth Proportional to 5,110,033.42, 7,051,853.11 and 2,786,931.55
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Solution
The fourth proportional to 5,110,033.42, 7,051,853.11 and 2,786,931.55 is: 3,845,969.35
Step by Step Solution
- Step 1: Write the proportion equation
5,110,033.42 : 7,051,853.11 = 2,786,931.55 : x - Step 2: Convert to fraction form
5,110,033.42/7,051,853.11 = 2,786,931.55/x - Step 3: Cross multiply
5,110,033.42x = 7,051,853.11 × 2,786,931.55 - Step 4: Simplify right side
5,110,033.42x = 19,653,031,918,224.62 - Step 5: Solve for x
x = 19,653,031,918,224.62/5,110,033.42 - Step 6: Final answer
x = 3,845,969.35
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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.