Finding the Fourth Proportional to 2,125,457.15, 2,933,019.99 and 1,207,558.94
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Solution
The fourth proportional to 2,125,457.15, 2,933,019.99 and 1,207,558.94 is: 1,666,368.34
Step by Step Solution
- Step 1: Write the proportion equation
2,125,457.15 : 2,933,019.99 = 1,207,558.94 : x - Step 2: Convert to fraction form
2,125,457.15/2,933,019.99 = 1,207,558.94/x - Step 3: Cross multiply
2,125,457.15x = 2,933,019.99 × 1,207,558.94 - Step 4: Simplify right side
2,125,457.15x = 3,541,794,495,458.11 - Step 5: Solve for x
x = 3,541,794,495,458.11/2,125,457.15 - Step 6: Final answer
x = 1,666,368.34
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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.