Finding the Fourth Proportional to 1,512,557.64, 2,087,302.77 and 824,235.57
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Solution
The fourth proportional to 1,512,557.64, 2,087,302.77 and 824,235.57 is: 1,137,430.50
Step by Step Solution
- Step 1: Write the proportion equation
1,512,557.64 : 2,087,302.77 = 824,235.57 : x - Step 2: Convert to fraction form
1,512,557.64/2,087,302.77 = 824,235.57/x - Step 3: Cross multiply
1,512,557.64x = 2,087,302.77 × 824,235.57 - Step 4: Simplify right side
1,512,557.64x = 1,720,429,188,393.53 - Step 5: Solve for x
x = 1,720,429,188,393.53/1,512,557.64 - Step 6: Final answer
x = 1,137,430.50
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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.