Finding the Fourth Proportional to 7,852,921.68, 11,779,039.80 and 2,461,449.24
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Solution
The fourth proportional to 7,852,921.68, 11,779,039.80 and 2,461,449.24 is: 3,692,066.44
Step by Step Solution
- Step 1: Write the proportion equation
7,852,921.68 : 11,779,039.80 = 2,461,449.24 : x - Step 2: Convert to fraction form
7,852,921.68/11,779,039.80 = 2,461,449.24/x - Step 3: Cross multiply
7,852,921.68x = 11,779,039.80 × 2,461,449.24 - Step 4: Simplify right side
7,852,921.68x = 28,993,508,563,639.76 - Step 5: Solve for x
x = 28,993,508,563,639.76/7,852,921.68 - Step 6: Final answer
x = 3,692,066.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.