Finding the Fourth Proportional to 6,656,600.79, 9,183,643.52 and 4,918,460.67
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Solution
The fourth proportional to 6,656,600.79, 9,183,643.52 and 4,918,460.67 is: 6,785,653.95
Step by Step Solution
- Step 1: Write the proportion equation
6,656,600.79 : 9,183,643.52 = 4,918,460.67 : x - Step 2: Convert to fraction form
6,656,600.79/9,183,643.52 = 4,918,460.67/x - Step 3: Cross multiply
6,656,600.79x = 9,183,643.52 × 4,918,460.67 - Step 4: Simplify right side
6,656,600.79x = 45,169,389,435,828.05 - Step 5: Solve for x
x = 45,169,389,435,828.05/6,656,600.79 - Step 6: Final answer
x = 6,785,653.95
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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.