Finding the Fourth Proportional to 4,980,953.93, 6,828,881.51 and 4,890,152.12
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Solution
The fourth proportional to 4,980,953.93, 6,828,881.51 and 4,890,152.12 is: 6,704,392.35
Step by Step Solution
- Step 1: Write the proportion equation
4,980,953.93 : 6,828,881.51 = 4,890,152.12 : x - Step 2: Convert to fraction form
4,980,953.93/6,828,881.51 = 4,890,152.12/x - Step 3: Cross multiply
4,980,953.93x = 6,828,881.51 × 4,890,152.12 - Step 4: Simplify right side
4,980,953.93x = 33,394,269,371,436.28 - Step 5: Solve for x
x = 33,394,269,371,436.28/4,980,953.93 - Step 6: Final answer
x = 6,704,392.35
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.