Finding the Fourth Proportional to 1,652,138, 2,279,989.74 and 927,039.36
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Solution
The fourth proportional to 1,652,138, 2,279,989.74 and 927,039.36 is: 1,279,336.37
Step by Step Solution
- Step 1: Write the proportion equation
1,652,138 : 2,279,989.74 = 927,039.36 : x - Step 2: Convert to fraction form
1,652,138/2,279,989.74 = 927,039.36/x - Step 3: Cross multiply
1,652,138x = 2,279,989.74 × 927,039.36 - Step 4: Simplify right side
1,652,138x = 2,113,640,229,376.17 - Step 5: Solve for x
x = 2,113,640,229,376.17/1,652,138 - Step 6: Final answer
x = 1,279,336.37
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.