Finding the Fourth Proportional to 2,972,586.78, 4,102,177.59 and 1,748,938.41
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Solution
The fourth proportional to 2,972,586.78, 4,102,177.59 and 1,748,938.41 is: 2,413,539.61
Step by Step Solution
- Step 1: Write the proportion equation
2,972,586.78 : 4,102,177.59 = 1,748,938.41 : x - Step 2: Convert to fraction form
2,972,586.78/4,102,177.59 = 1,748,938.41/x - Step 3: Cross multiply
2,972,586.78x = 4,102,177.59 × 1,748,938.41 - Step 4: Simplify right side
2,972,586.78x = 7,174,455,951,792.23 - Step 5: Solve for x
x = 7,174,455,951,792.23/2,972,586.78 - Step 6: Final answer
x = 2,413,539.61
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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.