Finding the Fourth Proportional to 1,901,916.13, 2,624,913.40 and 1,176,997.32
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Solution
The fourth proportional to 1,901,916.13, 2,624,913.40 and 1,176,997.32 is: 1,624,422.86
Step by Step Solution
- Step 1: Write the proportion equation
1,901,916.13 : 2,624,913.40 = 1,176,997.32 : x - Step 2: Convert to fraction form
1,901,916.13/2,624,913.40 = 1,176,997.32/x - Step 3: Cross multiply
1,901,916.13x = 2,624,913.40 × 1,176,997.32 - Step 4: Simplify right side
1,901,916.13x = 3,089,516,037,032.09 - Step 5: Solve for x
x = 3,089,516,037,032.09/1,901,916.13 - Step 6: Final answer
x = 1,624,422.86
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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.