Finding the Fourth Proportional to 3,417,613.14, 4,716,307.35 and 1,947,479.62
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Solution
The fourth proportional to 3,417,613.14, 4,716,307.35 and 1,947,479.62 is: 2,687,522.57
Step by Step Solution
- Step 1: Write the proportion equation
3,417,613.14 : 4,716,307.35 = 1,947,479.62 : x - Step 2: Convert to fraction form
3,417,613.14/4,716,307.35 = 1,947,479.62/x - Step 3: Cross multiply
3,417,613.14x = 4,716,307.35 × 1,947,479.62 - Step 4: Simplify right side
3,417,613.14x = 9,184,912,445,781.21 - Step 5: Solve for x
x = 9,184,912,445,781.21/3,417,613.14 - Step 6: Final answer
x = 2,687,522.57
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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.