Finding the Fourth Proportional to 5,063,197.55, 6,987,158.10 and 2,740,038.66
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Solution
The fourth proportional to 5,063,197.55, 6,987,158.10 and 2,740,038.66 is: 3,781,223.85
Step by Step Solution
- Step 1: Write the proportion equation
5,063,197.55 : 6,987,158.10 = 2,740,038.66 : x - Step 2: Convert to fraction form
5,063,197.55/6,987,158.10 = 2,740,038.66/x - Step 3: Cross multiply
5,063,197.55x = 6,987,158.10 × 2,740,038.66 - Step 4: Simplify right side
5,063,197.55x = 19,145,083,317,532.14 - Step 5: Solve for x
x = 19,145,083,317,532.14/5,063,197.55 - Step 6: Final answer
x = 3,781,223.85
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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.