Finding the Fourth Proportional to 3,410,972.13, 5,114,746.65 and 1,135,695.09
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Solution
The fourth proportional to 3,410,972.13, 5,114,746.65 and 1,135,695.09 is: 1,702,972.77
Step by Step Solution
- Step 1: Write the proportion equation
3,410,972.13 : 5,114,746.65 = 1,135,695.09 : x - Step 2: Convert to fraction form
3,410,972.13/5,114,746.65 = 1,135,695.09/x - Step 3: Cross multiply
3,410,972.13x = 5,114,746.65 × 1,135,695.09 - Step 4: Simplify right side
3,410,972.13x = 5,808,792,656,998.95 - Step 5: Solve for x
x = 5,808,792,656,998.95/3,410,972.13 - Step 6: Final answer
x = 1,702,972.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.