Finding the Fourth Proportional to 2,323,776.45, 3,206,747.30 and 1,291,257.51
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Solution
The fourth proportional to 2,323,776.45, 3,206,747.30 and 1,291,257.51 is: 1,781,899.69
Step by Step Solution
- Step 1: Write the proportion equation
2,323,776.45 : 3,206,747.30 = 1,291,257.51 : x - Step 2: Convert to fraction form
2,323,776.45/3,206,747.30 = 1,291,257.51/x - Step 3: Cross multiply
2,323,776.45x = 3,206,747.30 × 1,291,257.51 - Step 4: Simplify right side
2,323,776.45x = 4,140,736,533,797.22 - Step 5: Solve for x
x = 4,140,736,533,797.22/2,323,776.45 - Step 6: Final answer
x = 1,781,899.69
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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.