Finding the Fourth Proportional to 1,387,097.60, 2,081,164.80 and 546,235.52
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Solution
The fourth proportional to 1,387,097.60, 2,081,164.80 and 546,235.52 is: 819,557.42
Step by Step Solution
- Step 1: Write the proportion equation
1,387,097.60 : 2,081,164.80 = 546,235.52 : x - Step 2: Convert to fraction form
1,387,097.60/2,081,164.80 = 546,235.52/x - Step 3: Cross multiply
1,387,097.60x = 2,081,164.80 × 546,235.52 - Step 4: Simplify right side
1,387,097.60x = 1,136,806,136,733.70 - Step 5: Solve for x
x = 1,136,806,136,733.70/1,387,097.60 - Step 6: Final answer
x = 819,557.42
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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.