Finding the Fourth Proportional to 6,539,431.46, 9,809,032.71 and 2,942,652.74
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Solution
The fourth proportional to 6,539,431.46, 9,809,032.71 and 2,942,652.74 is: 4,413,927.60
Step by Step Solution
- Step 1: Write the proportion equation
6,539,431.46 : 9,809,032.71 = 2,942,652.74 : x - Step 2: Convert to fraction form
6,539,431.46/9,809,032.71 = 2,942,652.74/x - Step 3: Cross multiply
6,539,431.46x = 9,809,032.71 × 2,942,652.74 - Step 4: Simplify right side
6,539,431.46x = 28,864,576,980,831.13 - Step 5: Solve for x
x = 28,864,576,980,831.13/6,539,431.46 - Step 6: Final answer
x = 4,413,927.60
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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.