Finding the Fourth Proportional to 5,555,228.49, 8,328,358.47 and 5,106,825.18
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Solution
The fourth proportional to 5,555,228.49, 8,328,358.47 and 5,106,825.18 is: 7,656,115.46
Step by Step Solution
- Step 1: Write the proportion equation
5,555,228.49 : 8,328,358.47 = 5,106,825.18 : x - Step 2: Convert to fraction form
5,555,228.49/8,328,358.47 = 5,106,825.18/x - Step 3: Cross multiply
5,555,228.49x = 8,328,358.47 × 5,106,825.18 - Step 4: Simplify right side
5,555,228.49x = 42,531,470,742,662.27 - Step 5: Solve for x
x = 42,531,470,742,662.27/5,555,228.49 - Step 6: Final answer
x = 7,656,115.46
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1.5x scale
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.