Finding the Fourth Proportional to 4,127,228.70, 5,695,575.45 and 2,316,392.70
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Solution
The fourth proportional to 4,127,228.70, 5,695,575.45 and 2,316,392.70 is: 3,196,621.84
Step by Step Solution
- Step 1: Write the proportion equation
4,127,228.70 : 5,695,575.45 = 2,316,392.70 : x - Step 2: Convert to fraction form
4,127,228.70/5,695,575.45 = 2,316,392.70/x - Step 3: Cross multiply
4,127,228.70x = 5,695,575.45 × 2,316,392.70 - Step 4: Simplify right side
4,127,228.70x = 13,193,189,394,679.22 - Step 5: Solve for x
x = 13,193,189,394,679.22/4,127,228.70 - Step 6: Final answer
x = 3,196,621.84
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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.