Finding the Fourth Proportional to 3,712,722, 5,113,972.80 and 2,623,102.08
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Solution
The fourth proportional to 3,712,722, 5,113,972.80 and 2,623,102.08 is: 3,613,109.92
Step by Step Solution
- Step 1: Write the proportion equation
3,712,722 : 5,113,972.80 = 2,623,102.08 : x - Step 2: Convert to fraction form
3,712,722/5,113,972.80 = 2,623,102.08/x - Step 3: Cross multiply
3,712,722x = 5,113,972.80 × 2,623,102.08 - Step 4: Simplify right side
3,712,722x = 13,414,472,688,743.42 - Step 5: Solve for x
x = 13,414,472,688,743.42/3,712,722 - Step 6: Final answer
x = 3,613,109.92
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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.