Finding the Fourth Proportional to 2,107,593.93, 2,908,550.05 and 1,291,639.98
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Solution
The fourth proportional to 2,107,593.93, 2,908,550.05 and 1,291,639.98 is: 1,782,506.33
Step by Step Solution
- Step 1: Write the proportion equation
2,107,593.93 : 2,908,550.05 = 1,291,639.98 : x - Step 2: Convert to fraction form
2,107,593.93/2,908,550.05 = 1,291,639.98/x - Step 3: Cross multiply
2,107,593.93x = 2,908,550.05 × 1,291,639.98 - Step 4: Simplify right side
2,107,593.93x = 3,756,799,536,088.96 - Step 5: Solve for x
x = 3,756,799,536,088.96/2,107,593.93 - Step 6: Final answer
x = 1,782,506.33
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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.