Finding the Fourth Proportional to 3,130,645.43, 4,695,845.38 and 1,308,539.80
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Solution
The fourth proportional to 3,130,645.43, 4,695,845.38 and 1,308,539.80 is: 1,962,758.39
Step by Step Solution
- Step 1: Write the proportion equation
3,130,645.43 : 4,695,845.38 = 1,308,539.80 : x - Step 2: Convert to fraction form
3,130,645.43/4,695,845.38 = 1,308,539.80/x - Step 3: Cross multiply
3,130,645.43x = 4,695,845.38 × 1,308,539.80 - Step 4: Simplify right side
3,130,645.43x = 6,144,700,574,376.12 - Step 5: Solve for x
x = 6,144,700,574,376.12/3,130,645.43 - Step 6: Final answer
x = 1,962,758.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.