Finding the Fourth Proportional to 3,169,971.59, 4,374,560.79 and 1,811,873.75
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Solution
The fourth proportional to 3,169,971.59, 4,374,560.79 and 1,811,873.75 is: 2,500,385.77
Step by Step Solution
- Step 1: Write the proportion equation
3,169,971.59 : 4,374,560.79 = 1,811,873.75 : x - Step 2: Convert to fraction form
3,169,971.59/4,374,560.79 = 1,811,873.75/x - Step 3: Cross multiply
3,169,971.59x = 4,374,560.79 × 1,811,873.75 - Step 4: Simplify right side
3,169,971.59x = 7,926,151,841,307.46 - Step 5: Solve for x
x = 7,926,151,841,307.46/3,169,971.59 - Step 6: Final answer
x = 2,500,385.77
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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.