Finding the Fourth Proportional to 3,971,677.08, 5,480,475.78 and 2,228,946.74
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Solution
The fourth proportional to 3,971,677.08, 5,480,475.78 and 2,228,946.74 is: 3,075,700.36
Step by Step Solution
- Step 1: Write the proportion equation
3,971,677.08 : 5,480,475.78 = 2,228,946.74 : x - Step 2: Convert to fraction form
3,971,677.08/5,480,475.78 = 2,228,946.74/x - Step 3: Cross multiply
3,971,677.08x = 5,480,475.78 × 2,228,946.74 - Step 4: Simplify right side
3,971,677.08x = 12,215,688,624,987.91 - Step 5: Solve for x
x = 12,215,688,624,987.91/3,971,677.08 - Step 6: Final answer
x = 3,075,700.36
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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.