Finding the Fourth Proportional to 1,988,175.24, 2,986,752.15 and 1,179,090.41
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Solution
The fourth proportional to 1,988,175.24, 2,986,752.15 and 1,179,090.41 is: 1,771,297.99
Step by Step Solution
- Step 1: Write the proportion equation
1,988,175.24 : 2,986,752.15 = 1,179,090.41 : x - Step 2: Convert to fraction form
1,988,175.24/2,986,752.15 = 1,179,090.41/x - Step 3: Cross multiply
1,988,175.24x = 2,986,752.15 × 1,179,090.41 - Step 4: Simplify right side
1,988,175.24x = 3,521,650,802,178.12 - Step 5: Solve for x
x = 3,521,650,802,178.12/1,988,175.24 - Step 6: Final answer
x = 1,771,297.99
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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.