Finding the Fourth Proportional to 4,602,390.58, 6,348,665.40 and 2,880,521.74
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Solution
The fourth proportional to 4,602,390.58, 6,348,665.40 and 2,880,521.74 is: 3,973,471.70
Step by Step Solution
- Step 1: Write the proportion equation
4,602,390.58 : 6,348,665.40 = 2,880,521.74 : x - Step 2: Convert to fraction form
4,602,390.58/6,348,665.40 = 2,880,521.74/x - Step 3: Cross multiply
4,602,390.58x = 6,348,665.40 × 2,880,521.74 - Step 4: Simplify right side
4,602,390.58x = 18,287,468,704,685.80 - Step 5: Solve for x
x = 18,287,468,704,685.80/4,602,390.58 - Step 6: Final answer
x = 3,973,471.70
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1.5x scale
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.