Finding the Fourth Proportional to 1,513,981.62, 2,089,224.36 and 868,947.84
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Solution
The fourth proportional to 1,513,981.62, 2,089,224.36 and 868,947.84 is: 1,199,107.68
Step by Step Solution
- Step 1: Write the proportion equation
1,513,981.62 : 2,089,224.36 = 868,947.84 : x - Step 2: Convert to fraction form
1,513,981.62/2,089,224.36 = 868,947.84/x - Step 3: Cross multiply
1,513,981.62x = 2,089,224.36 × 868,947.84 - Step 4: Simplify right side
1,513,981.62x = 1,815,426,994,897.38 - Step 5: Solve for x
x = 1,815,426,994,897.38/1,513,981.62 - Step 6: Final answer
x = 1,199,107.68
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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.