Finding the Fourth Proportional to 4,866,117.40, 6,714,971.17 and 2,690,530.03
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Solution
The fourth proportional to 4,866,117.40, 6,714,971.17 and 2,690,530.03 is: 3,712,781.69
Step by Step Solution
- Step 1: Write the proportion equation
4,866,117.40 : 6,714,971.17 = 2,690,530.03 : x - Step 2: Convert to fraction form
4,866,117.40/6,714,971.17 = 2,690,530.03/x - Step 3: Cross multiply
4,866,117.40x = 6,714,971.17 × 2,690,530.03 - Step 4: Simplify right side
4,866,117.40x = 18,066,831,583,469.23 - Step 5: Solve for x
x = 18,066,831,583,469.23/4,866,117.40 - Step 6: Final answer
x = 3,712,781.69
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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.