Finding the Fourth Proportional to 2,127,508.50, 2,935,961.73 and 1,363,562.07
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Solution
The fourth proportional to 2,127,508.50, 2,935,961.73 and 1,363,562.07 is: 1,881,715.66
Step by Step Solution
- Step 1: Write the proportion equation
2,127,508.50 : 2,935,961.73 = 1,363,562.07 : x - Step 2: Convert to fraction form
2,127,508.50/2,935,961.73 = 1,363,562.07/x - Step 3: Cross multiply
2,127,508.50x = 2,935,961.73 × 1,363,562.07 - Step 4: Simplify right side
2,127,508.50x = 4,003,366,053,999.58 - Step 5: Solve for x
x = 4,003,366,053,999.58/2,127,508.50 - Step 6: Final answer
x = 1,881,715.66
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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.