Finding the Fourth Proportional to 7,204,119.68, 9,941,655.42 and 3,896,417.58
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Solution
The fourth proportional to 7,204,119.68, 9,941,655.42 and 3,896,417.58 is: 5,377,040.17
Step by Step Solution
- Step 1: Write the proportion equation
7,204,119.68 : 9,941,655.42 = 3,896,417.58 : x - Step 2: Convert to fraction form
7,204,119.68/9,941,655.42 = 3,896,417.58/x - Step 3: Cross multiply
7,204,119.68x = 9,941,655.42 × 3,896,417.58 - Step 4: Simplify right side
7,204,119.68x = 38,736,840,952,790.28 - Step 5: Solve for x
x = 38,736,840,952,790.28/7,204,119.68 - Step 6: Final answer
x = 5,377,040.17
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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.