Finding the Fourth Proportional to 2,179,283.23, 3,007,438.53 and 1,199,335.09
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Solution
The fourth proportional to 2,179,283.23, 3,007,438.53 and 1,199,335.09 is: 1,655,097.65
Step by Step Solution
- Step 1: Write the proportion equation
2,179,283.23 : 3,007,438.53 = 1,199,335.09 : x - Step 2: Convert to fraction form
2,179,283.23/3,007,438.53 = 1,199,335.09/x - Step 3: Cross multiply
2,179,283.23x = 3,007,438.53 × 1,199,335.09 - Step 4: Simplify right side
2,179,283.23x = 3,606,926,545,009.83 - Step 5: Solve for x
x = 3,606,926,545,009.83/2,179,283.23 - Step 6: Final answer
x = 1,655,097.65
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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.