Finding the Fourth Proportional to 6,464,879.02, 9,698,737.74 and 1,916,278.66
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Solution
The fourth proportional to 6,464,879.02, 9,698,737.74 and 1,916,278.66 is: 2,874,838.66
Step by Step Solution
- Step 1: Write the proportion equation
6,464,879.02 : 9,698,737.74 = 1,916,278.66 : x - Step 2: Convert to fraction form
6,464,879.02/9,698,737.74 = 1,916,278.66/x - Step 3: Cross multiply
6,464,879.02x = 9,698,737.74 × 1,916,278.66 - Step 4: Simplify right side
6,464,879.02x = 18,585,484,160,098.63 - Step 5: Solve for x
x = 18,585,484,160,098.63/6,464,879.02 - Step 6: Final answer
x = 2,874,838.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.