Finding the Fourth Proportional to 3,338,312.95, 4,606,817.51 and 1,887,954.08
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Solution
The fourth proportional to 3,338,312.95, 4,606,817.51 and 1,887,954.08 is: 2,605,345.89
Step by Step Solution
- Step 1: Write the proportion equation
3,338,312.95 : 4,606,817.51 = 1,887,954.08 : x - Step 2: Convert to fraction form
3,338,312.95/4,606,817.51 = 1,887,954.08/x - Step 3: Cross multiply
3,338,312.95x = 4,606,817.51 × 1,887,954.08 - Step 4: Simplify right side
3,338,312.95x = 8,697,459,904,380.17 - Step 5: Solve for x
x = 8,697,459,904,380.17/3,338,312.95 - Step 6: Final answer
x = 2,605,345.89
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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.