Finding the Fourth Proportional to 4,861,581.48, 6,708,637.62 and 2,686,100.76
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Solution
The fourth proportional to 4,861,581.48, 6,708,637.62 and 2,686,100.76 is: 3,706,628.53
Step by Step Solution
- Step 1: Write the proportion equation
4,861,581.48 : 6,708,637.62 = 2,686,100.76 : x - Step 2: Convert to fraction form
4,861,581.48/6,708,637.62 = 2,686,100.76/x - Step 3: Cross multiply
4,861,581.48x = 6,708,637.62 × 2,686,100.76 - Step 4: Simplify right side
4,861,581.48x = 18,020,076,609,646.59 - Step 5: Solve for x
x = 18,020,076,609,646.59/4,861,581.48 - Step 6: Final answer
x = 3,706,628.53
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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.