Finding the Fourth Proportional to 2,953,578.75, 4,430,368.12 and 709,716.75
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Solution
The fourth proportional to 2,953,578.75, 4,430,368.12 and 709,716.75 is: 1,064,575.12
Step by Step Solution
- Step 1: Write the proportion equation
2,953,578.75 : 4,430,368.12 = 709,716.75 : x - Step 2: Convert to fraction form
2,953,578.75/4,430,368.12 = 709,716.75/x - Step 3: Cross multiply
2,953,578.75x = 4,430,368.12 × 709,716.75 - Step 4: Simplify right side
2,953,578.75x = 3,144,306,463,430.01 - Step 5: Solve for x
x = 3,144,306,463,430.01/2,953,578.75 - Step 6: Final answer
x = 1,064,575.12
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1.5x scale
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.