Finding the Fourth Proportional to 3,541,789.74, 4,887,646.98 and 2,013,896.76
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Solution
The fourth proportional to 3,541,789.74, 4,887,646.98 and 2,013,896.76 is: 2,779,164.53
Step by Step Solution
- Step 1: Write the proportion equation
3,541,789.74 : 4,887,646.98 = 2,013,896.76 : x - Step 2: Convert to fraction form
3,541,789.74/4,887,646.98 = 2,013,896.76/x - Step 3: Cross multiply
3,541,789.74x = 4,887,646.98 × 2,013,896.76 - Step 4: Simplify right side
3,541,789.74x = 9,843,216,417,045.79 - Step 5: Solve for x
x = 9,843,216,417,045.79/3,541,789.74 - Step 6: Final answer
x = 2,779,164.53
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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.