Finding the Fourth Proportional to 1,802,987.40, 2,488,045.58 and 987,176.28
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Solution
The fourth proportional to 1,802,987.40, 2,488,045.58 and 987,176.28 is: 1,362,261.09
Step by Step Solution
- Step 1: Write the proportion equation
1,802,987.40 : 2,488,045.58 = 987,176.28 : x - Step 2: Convert to fraction form
1,802,987.40/2,488,045.58 = 987,176.28/x - Step 3: Cross multiply
1,802,987.40x = 2,488,045.58 × 987,176.28 - Step 4: Simplify right side
1,802,987.40x = 2,456,139,580,134.84 - Step 5: Solve for x
x = 2,456,139,580,134.84/1,802,987.40 - Step 6: Final answer
x = 1,362,261.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.