Finding the Fourth Proportional to 3,218,924.20, 4,828,386.30 and 1,089,077.80
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Solution
The fourth proportional to 3,218,924.20, 4,828,386.30 and 1,089,077.80 is: 1,633,616.70
Step by Step Solution
- Step 1: Write the proportion equation
3,218,924.20 : 4,828,386.30 = 1,089,077.80 : x - Step 2: Convert to fraction form
3,218,924.20/4,828,386.30 = 1,089,077.80/x - Step 3: Cross multiply
3,218,924.20x = 4,828,386.30 × 1,089,077.80 - Step 4: Simplify right side
3,218,924.20x = 5,258,488,329,154.14 - Step 5: Solve for x
x = 5,258,488,329,154.14/3,218,924.20 - Step 6: Final answer
x = 1,633,616.70
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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.