Finding the Fourth Proportional to 2,381,206.74, 3,572,302.19 and 783,865.68
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Solution
The fourth proportional to 2,381,206.74, 3,572,302.19 and 783,865.68 is: 1,175,960.51
Step by Step Solution
- Step 1: Write the proportion equation
2,381,206.74 : 3,572,302.19 = 783,865.68 : x - Step 2: Convert to fraction form
2,381,206.74/3,572,302.19 = 783,865.68/x - Step 3: Cross multiply
2,381,206.74x = 3,572,302.19 × 783,865.68 - Step 4: Simplify right side
2,381,206.74x = 2,800,205,081,410.51 - Step 5: Solve for x
x = 2,800,205,081,410.51/2,381,206.74 - Step 6: Final answer
x = 1,175,960.51
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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.