Finding the Fourth Proportional to 2,877,156.15, 3,970,192.80 and 1,587,913.30
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Solution
The fourth proportional to 2,877,156.15, 3,970,192.80 and 1,587,913.30 is: 2,191,164.34
Step by Step Solution
- Step 1: Write the proportion equation
2,877,156.15 : 3,970,192.80 = 1,587,913.30 : x - Step 2: Convert to fraction form
2,877,156.15/3,970,192.80 = 1,587,913.30/x - Step 3: Cross multiply
2,877,156.15x = 3,970,192.80 × 1,587,913.30 - Step 4: Simplify right side
2,877,156.15x = 6,304,321,950,684.24 - Step 5: Solve for x
x = 6,304,321,950,684.24/2,877,156.15 - Step 6: Final answer
x = 2,191,164.34
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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.