Finding the Fourth Proportional to 1,470,588.25, 2,029,367.58 and 817,212.08
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Solution
The fourth proportional to 1,470,588.25, 2,029,367.58 and 817,212.08 is: 1,127,728.10
Step by Step Solution
- Step 1: Write the proportion equation
1,470,588.25 : 2,029,367.58 = 817,212.08 : x - Step 2: Convert to fraction form
1,470,588.25/2,029,367.58 = 817,212.08/x - Step 3: Cross multiply
1,470,588.25x = 2,029,367.58 × 817,212.08 - Step 4: Simplify right side
1,470,588.25x = 1,658,423,690,989.53 - Step 5: Solve for x
x = 1,658,423,690,989.53/1,470,588.25 - Step 6: Final answer
x = 1,127,728.10
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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.