Finding the Fourth Proportional to 2,046,147.66, 2,823,646.50 and 1,128,461.63
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Solution
The fourth proportional to 2,046,147.66, 2,823,646.50 and 1,128,461.63 is: 1,557,256.49
Step by Step Solution
- Step 1: Write the proportion equation
2,046,147.66 : 2,823,646.50 = 1,128,461.63 : x - Step 2: Convert to fraction form
2,046,147.66/2,823,646.50 = 1,128,461.63/x - Step 3: Cross multiply
2,046,147.66x = 2,823,646.50 × 1,128,461.63 - Step 4: Simplify right side
2,046,147.66x = 3,186,376,717,815.56 - Step 5: Solve for x
x = 3,186,376,717,815.56/2,046,147.66 - Step 6: Final answer
x = 1,557,256.49
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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.