Finding the Fourth Proportional to 1,470,478.19, 2,029,267.99 and 825,898.48
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Solution
The fourth proportional to 1,470,478.19, 2,029,267.99 and 825,898.48 is: 1,139,744.45
Step by Step Solution
- Step 1: Write the proportion equation
1,470,478.19 : 2,029,267.99 = 825,898.48 : x - Step 2: Convert to fraction form
1,470,478.19/2,029,267.99 = 825,898.48/x - Step 3: Cross multiply
1,470,478.19x = 2,029,267.99 × 825,898.48 - Step 4: Simplify right side
1,470,478.19x = 1,675,969,344,412.86 - Step 5: Solve for x
x = 1,675,969,344,412.86/1,470,478.19 - Step 6: Final answer
x = 1,139,744.45
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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.