Finding the Fourth Proportional to 1,512,670.52, 2,087,485.76 and 824,342.57
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Solution
The fourth proportional to 1,512,670.52, 2,087,485.76 and 824,342.57 is: 1,137,592.99
Step by Step Solution
- Step 1: Write the proportion equation
1,512,670.52 : 2,087,485.76 = 824,342.57 : x - Step 2: Convert to fraction form
1,512,670.52/2,087,485.76 = 824,342.57/x - Step 3: Cross multiply
1,512,670.52x = 2,087,485.76 × 824,342.57 - Step 4: Simplify right side
1,512,670.52x = 1,720,803,376,236.80 - Step 5: Solve for x
x = 1,720,803,376,236.80/1,512,670.52 - Step 6: Final answer
x = 1,137,592.99
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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.