Finding the Fourth Proportional to 7,249,656.84, 10,005,163.92 and 3,987,046.50
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Solution
The fourth proportional to 7,249,656.84, 10,005,163.92 and 3,987,046.50 is: 5,502,474.76
Step by Step Solution
- Step 1: Write the proportion equation
7,249,656.84 : 10,005,163.92 = 3,987,046.50 : x - Step 2: Convert to fraction form
7,249,656.84/10,005,163.92 = 3,987,046.50/x - Step 3: Cross multiply
7,249,656.84x = 10,005,163.92 × 3,987,046.50 - Step 4: Simplify right side
7,249,656.84x = 39,891,053,789,162.28 - Step 5: Solve for x
x = 39,891,053,789,162.28/7,249,656.84 - Step 6: Final answer
x = 5,502,474.76
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.