Finding the Fourth Proportional to 4,742,078.09, 6,544,226.16 and 2,906,181.65
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Solution
The fourth proportional to 4,742,078.09, 6,544,226.16 and 2,906,181.65 is: 4,010,627.75
Step by Step Solution
- Step 1: Write the proportion equation
4,742,078.09 : 6,544,226.16 = 2,906,181.65 : x - Step 2: Convert to fraction form
4,742,078.09/6,544,226.16 = 2,906,181.65/x - Step 3: Cross multiply
4,742,078.09x = 6,544,226.16 × 2,906,181.65 - Step 4: Simplify right side
4,742,078.09x = 19,018,709,946,920.83 - Step 5: Solve for x
x = 19,018,709,946,920.83/4,742,078.09 - Step 6: Final answer
x = 4,010,627.75
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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.