Finding the Fourth Proportional to 4,878,707.74, 7,317,397.26 and 1,284,173.68
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Solution
The fourth proportional to 4,878,707.74, 7,317,397.26 and 1,284,173.68 is: 1,926,085.64
Step by Step Solution
- Step 1: Write the proportion equation
4,878,707.74 : 7,317,397.26 = 1,284,173.68 : x - Step 2: Convert to fraction form
4,878,707.74/7,317,397.26 = 1,284,173.68/x - Step 3: Cross multiply
4,878,707.74x = 7,317,397.26 × 1,284,173.68 - Step 4: Simplify right side
4,878,707.74x = 9,396,808,930,809.13 - Step 5: Solve for x
x = 9,396,808,930,809.13/4,878,707.74 - Step 6: Final answer
x = 1,926,085.64
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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.