Finding the Fourth Proportional to 1,518,987.09, 2,278,707.17 and 559,368.90
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Solution
The fourth proportional to 1,518,987.09, 2,278,707.17 and 559,368.90 is: 839,136.77
Step by Step Solution
- Step 1: Write the proportion equation
1,518,987.09 : 2,278,707.17 = 559,368.90 : x - Step 2: Convert to fraction form
1,518,987.09/2,278,707.17 = 559,368.90/x - Step 3: Cross multiply
1,518,987.09x = 2,278,707.17 × 559,368.90 - Step 4: Simplify right side
1,518,987.09x = 1,274,637,920,308.17 - Step 5: Solve for x
x = 1,274,637,920,308.17/1,518,987.09 - Step 6: Final answer
x = 839,136.77
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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.