Finding the Fourth Proportional to 3,301,386.74, 4,947,817.94 and 1,478,416.95
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Solution
The fourth proportional to 3,301,386.74, 4,947,817.94 and 1,478,416.95 is: 2,215,716.76
Step by Step Solution
- Step 1: Write the proportion equation
3,301,386.74 : 4,947,817.94 = 1,478,416.95 : x - Step 2: Convert to fraction form
3,301,386.74/4,947,817.94 = 1,478,416.95/x - Step 3: Cross multiply
3,301,386.74x = 4,947,817.94 × 1,478,416.95 - Step 4: Simplify right side
3,301,386.74x = 7,314,937,928,371.02 - Step 5: Solve for x
x = 7,314,937,928,371.02/3,301,386.74 - Step 6: Final answer
x = 2,215,716.76
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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.