Finding the Fourth Proportional to 4,730,997.60, 7,088,331.60 and 2,201,464.80
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Solution
The fourth proportional to 4,730,997.60, 7,088,331.60 and 2,201,464.80 is: 3,298,397.89
Step by Step Solution
- Step 1: Write the proportion equation
4,730,997.60 : 7,088,331.60 = 2,201,464.80 : x - Step 2: Convert to fraction form
4,730,997.60/7,088,331.60 = 2,201,464.80/x - Step 3: Cross multiply
4,730,997.60x = 7,088,331.60 × 2,201,464.80 - Step 4: Simplify right side
4,730,997.60x = 15,604,712,508,127.68 - Step 5: Solve for x
x = 15,604,712,508,127.68/4,730,997.60 - Step 6: Final answer
x = 3,298,397.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.