Finding the Fourth Proportional to 1,577,539.84, 2,365,842.56 and 455,618.56
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Solution
The fourth proportional to 1,577,539.84, 2,365,842.56 and 455,618.56 is: 683,292.91
Step by Step Solution
- Step 1: Write the proportion equation
1,577,539.84 : 2,365,842.56 = 455,618.56 : x - Step 2: Convert to fraction form
1,577,539.84/2,365,842.56 = 455,618.56/x - Step 3: Cross multiply
1,577,539.84x = 2,365,842.56 × 455,618.56 - Step 4: Simplify right side
1,577,539.84x = 1,077,921,780,373.91 - Step 5: Solve for x
x = 1,077,921,780,373.91/1,577,539.84 - Step 6: Final answer
x = 683,292.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.