Finding the Fourth Proportional to 2,288,708.55, 3,158,457.84 and 1,256,312.94
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Solution
The fourth proportional to 2,288,708.55, 3,158,457.84 and 1,256,312.94 is: 1,733,733.84
Step by Step Solution
- Step 1: Write the proportion equation
2,288,708.55 : 3,158,457.84 = 1,256,312.94 : x - Step 2: Convert to fraction form
2,288,708.55/3,158,457.84 = 1,256,312.94/x - Step 3: Cross multiply
2,288,708.55x = 3,158,457.84 × 1,256,312.94 - Step 4: Simplify right side
2,288,708.55x = 3,968,011,454,836.45 - Step 5: Solve for x
x = 3,968,011,454,836.45/2,288,708.55 - Step 6: Final answer
x = 1,733,733.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.