Finding the Fourth Proportional to 1,539,005.13, 2,123,789.97 and 841,254.93
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Solution
The fourth proportional to 1,539,005.13, 2,123,789.97 and 841,254.93 is: 1,160,911.52
Step by Step Solution
- Step 1: Write the proportion equation
1,539,005.13 : 2,123,789.97 = 841,254.93 : x - Step 2: Convert to fraction form
1,539,005.13/2,123,789.97 = 841,254.93/x - Step 3: Cross multiply
1,539,005.13x = 2,123,789.97 × 841,254.93 - Step 4: Simplify right side
1,539,005.13x = 1,786,648,782,547.05 - Step 5: Solve for x
x = 1,786,648,782,547.05/1,539,005.13 - Step 6: Final answer
x = 1,160,911.52
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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.