Finding the Fourth Proportional to 4,706,447.76, 6,492,740.76 and 2,771,782.20
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Solution
The fourth proportional to 4,706,447.76, 6,492,740.76 and 2,771,782.20 is: 3,823,789.02
Step by Step Solution
- Step 1: Write the proportion equation
4,706,447.76 : 6,492,740.76 = 2,771,782.20 : x - Step 2: Convert to fraction form
4,706,447.76/6,492,740.76 = 2,771,782.20/x - Step 3: Cross multiply
4,706,447.76x = 6,492,740.76 × 2,771,782.20 - Step 4: Simplify right side
4,706,447.76x = 17,996,463,267,782.47 - Step 5: Solve for x
x = 17,996,463,267,782.47/4,706,447.76 - Step 6: Final answer
x = 3,823,789.02
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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.