Finding the Fourth Proportional to 1,456,114.74, 2,009,448.32 and 811,576.41
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Solution
The fourth proportional to 1,456,114.74, 2,009,448.32 and 811,576.41 is: 1,119,981.00
Step by Step Solution
- Step 1: Write the proportion equation
1,456,114.74 : 2,009,448.32 = 811,576.41 : x - Step 2: Convert to fraction form
1,456,114.74/2,009,448.32 = 811,576.41/x - Step 3: Cross multiply
1,456,114.74x = 2,009,448.32 × 811,576.41 - Step 4: Simplify right side
1,456,114.74x = 1,630,820,849,568.25 - Step 5: Solve for x
x = 1,630,820,849,568.25/1,456,114.74 - Step 6: Final answer
x = 1,119,981.00
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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.