Finding the Fourth Proportional to 3,623,331.55, 5,000,259.65 and 1,991,807.68
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Solution
The fourth proportional to 3,623,331.55, 5,000,259.65 and 1,991,807.68 is: 2,748,728.74
Step by Step Solution
- Step 1: Write the proportion equation
3,623,331.55 : 5,000,259.65 = 1,991,807.68 : x - Step 2: Convert to fraction form
3,623,331.55/5,000,259.65 = 1,991,807.68/x - Step 3: Cross multiply
3,623,331.55x = 5,000,259.65 × 1,991,807.68 - Step 4: Simplify right side
3,623,331.55x = 9,959,555,572,864.11 - Step 5: Solve for x
x = 9,959,555,572,864.11/3,623,331.55 - Step 6: Final answer
x = 2,748,728.74
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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.