Finding the Fourth Proportional to 1,602,431.74, 2,211,356.46 and 877,326.40
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Solution
The fourth proportional to 1,602,431.74, 2,211,356.46 and 877,326.40 is: 1,210,710.79
Step by Step Solution
- Step 1: Write the proportion equation
1,602,431.74 : 2,211,356.46 = 877,326.40 : x - Step 2: Convert to fraction form
1,602,431.74/2,211,356.46 = 877,326.40/x - Step 3: Cross multiply
1,602,431.74x = 2,211,356.46 × 877,326.40 - Step 4: Simplify right side
1,602,431.74x = 1,940,081,402,168.54 - Step 5: Solve for x
x = 1,940,081,402,168.54/1,602,431.74 - Step 6: Final answer
x = 1,210,710.79
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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.