Finding the Fourth Proportional to 3,404,996.19, 4,698,931.10 and 1,877,157.99
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Solution
The fourth proportional to 3,404,996.19, 4,698,931.10 and 1,877,157.99 is: 2,590,498.07
Step by Step Solution
- Step 1: Write the proportion equation
3,404,996.19 : 4,698,931.10 = 1,877,157.99 : x - Step 2: Convert to fraction form
3,404,996.19/4,698,931.10 = 1,877,157.99/x - Step 3: Cross multiply
3,404,996.19x = 4,698,931.10 × 1,877,157.99 - Step 4: Simplify right side
3,404,996.19x = 8,820,636,049,438.70 - Step 5: Solve for x
x = 8,820,636,049,438.70/3,404,996.19 - Step 6: Final answer
x = 2,590,498.07
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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.