Finding the Fourth Proportional to 3,218,913.20, 4,828,369.80 and 975,051.20
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Solution
The fourth proportional to 3,218,913.20, 4,828,369.80 and 975,051.20 is: 1,462,576.80
Step by Step Solution
- Step 1: Write the proportion equation
3,218,913.20 : 4,828,369.80 = 975,051.20 : x - Step 2: Convert to fraction form
3,218,913.20/4,828,369.80 = 975,051.20/x - Step 3: Cross multiply
3,218,913.20x = 4,828,369.80 × 975,051.20 - Step 4: Simplify right side
3,218,913.20x = 4,707,907,767,533.76 - Step 5: Solve for x
x = 4,707,907,767,533.76/3,218,913.20 - Step 6: Final answer
x = 1,462,576.80
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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.