Finding the Fourth Proportional to 2,157,403.14, 3,235,263.93 and 808,830.09
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Solution
The fourth proportional to 2,157,403.14, 3,235,263.93 and 808,830.09 is: 1,212,929.92
Step by Step Solution
- Step 1: Write the proportion equation
2,157,403.14 : 3,235,263.93 = 808,830.09 : x - Step 2: Convert to fraction form
2,157,403.14/3,235,263.93 = 808,830.09/x - Step 3: Cross multiply
2,157,403.14x = 3,235,263.93 × 808,830.09 - Step 4: Simplify right side
2,157,403.14x = 2,616,778,815,675.65 - Step 5: Solve for x
x = 2,616,778,815,675.65/2,157,403.14 - Step 6: Final answer
x = 1,212,929.92
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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.