Finding the Fourth Proportional to 4,330,419.89, 5,975,455.20 and 2,495,479.51
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Solution
The fourth proportional to 4,330,419.89, 5,975,455.20 and 2,495,479.51 is: 3,443,459.61
Step by Step Solution
- Step 1: Write the proportion equation
4,330,419.89 : 5,975,455.20 = 2,495,479.51 : x - Step 2: Convert to fraction form
4,330,419.89/5,975,455.20 = 2,495,479.51/x - Step 3: Cross multiply
4,330,419.89x = 5,975,455.20 × 2,495,479.51 - Step 4: Simplify right side
4,330,419.89x = 14,911,625,984,645.68 - Step 5: Solve for x
x = 14,911,625,984,645.68/4,330,419.89 - Step 6: Final answer
x = 3,443,459.61
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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.