Finding the Fourth Proportional to 1,455,416.08, 2,008,423.44 and 810,802.96
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Solution
The fourth proportional to 1,455,416.08, 2,008,423.44 and 810,802.96 is: 1,118,879.81
Step by Step Solution
- Step 1: Write the proportion equation
1,455,416.08 : 2,008,423.44 = 810,802.96 : x - Step 2: Convert to fraction form
1,455,416.08/2,008,423.44 = 810,802.96/x - Step 3: Cross multiply
1,455,416.08x = 2,008,423.44 × 810,802.96 - Step 4: Simplify right side
1,455,416.08x = 1,628,435,670,085.38 - Step 5: Solve for x
x = 1,628,435,670,085.38/1,455,416.08 - Step 6: Final answer
x = 1,118,879.81
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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.