Finding the Fourth Proportional to 4,781,586.63, 6,598,594.62 and 2,606,131.56
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Solution
The fourth proportional to 4,781,586.63, 6,598,594.62 and 2,606,131.56 is: 3,596,464.32
Step by Step Solution
- Step 1: Write the proportion equation
4,781,586.63 : 6,598,594.62 = 2,606,131.56 : x - Step 2: Convert to fraction form
4,781,586.63/6,598,594.62 = 2,606,131.56/x - Step 3: Cross multiply
4,781,586.63x = 6,598,594.62 × 2,606,131.56 - Step 4: Simplify right side
4,781,586.63x = 17,196,805,690,828.21 - Step 5: Solve for x
x = 17,196,805,690,828.21/4,781,586.63 - Step 6: Final answer
x = 3,596,464.32
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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.