Finding the Fourth Proportional to 2,264,312.56, 3,124,739.28 and 1,297,457.68
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Solution
The fourth proportional to 2,264,312.56, 3,124,739.28 and 1,297,457.68 is: 1,790,484.69
Step by Step Solution
- Step 1: Write the proportion equation
2,264,312.56 : 3,124,739.28 = 1,297,457.68 : x - Step 2: Convert to fraction form
2,264,312.56/3,124,739.28 = 1,297,457.68/x - Step 3: Cross multiply
2,264,312.56x = 3,124,739.28 × 1,297,457.68 - Step 4: Simplify right side
2,264,312.56x = 4,054,216,976,833.67 - Step 5: Solve for x
x = 4,054,216,976,833.67/2,264,312.56 - Step 6: Final answer
x = 1,790,484.69
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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.