Finding the Fourth Proportional to 4,682,129.30, 6,461,862.81 and 2,645,070.02
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Solution
The fourth proportional to 4,682,129.30, 6,461,862.81 and 2,645,070.02 is: 3,650,492.86
Step by Step Solution
- Step 1: Write the proportion equation
4,682,129.30 : 6,461,862.81 = 2,645,070.02 : x - Step 2: Convert to fraction form
4,682,129.30/6,461,862.81 = 2,645,070.02/x - Step 3: Cross multiply
4,682,129.30x = 6,461,862.81 × 2,645,070.02 - Step 4: Simplify right side
4,682,129.30x = 17,092,079,592,083.96 - Step 5: Solve for x
x = 17,092,079,592,083.96/4,682,129.30 - Step 6: Final answer
x = 3,650,492.86
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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.