Finding the Fourth Proportional to 6,386,972.42, 9,576,914.06 and 2,124,813.98
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Solution
The fourth proportional to 6,386,972.42, 9,576,914.06 and 2,124,813.98 is: 3,186,041.76
Step by Step Solution
- Step 1: Write the proportion equation
6,386,972.42 : 9,576,914.06 = 2,124,813.98 : x - Step 2: Convert to fraction form
6,386,972.42/9,576,914.06 = 2,124,813.98/x - Step 3: Cross multiply
6,386,972.42x = 9,576,914.06 × 2,124,813.98 - Step 4: Simplify right side
6,386,972.42x = 20,349,160,821,437.92 - Step 5: Solve for x
x = 20,349,160,821,437.92/6,386,972.42 - Step 6: Final answer
x = 3,186,041.76
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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.