Finding the Fourth Proportional to 1,283,944.23, 1,925,911.71 and 385,382.07
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Solution
The fourth proportional to 1,283,944.23, 1,925,911.71 and 385,382.07 is: 578,071.71
Step by Step Solution
- Step 1: Write the proportion equation
1,283,944.23 : 1,925,911.71 = 385,382.07 : x - Step 2: Convert to fraction form
1,283,944.23/1,925,911.71 = 385,382.07/x - Step 3: Cross multiply
1,283,944.23x = 1,925,911.71 × 385,382.07 - Step 4: Simplify right side
1,283,944.23x = 742,211,841,437.04 - Step 5: Solve for x
x = 742,211,841,437.04/1,283,944.23 - Step 6: Final answer
x = 578,071.71
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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.