Finding the Fourth Proportional to 1,881,028.42, 2,596,895.07 and 1,238,316.94
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Solution
The fourth proportional to 1,881,028.42, 2,596,895.07 and 1,238,316.94 is: 1,709,585.63
Step by Step Solution
- Step 1: Write the proportion equation
1,881,028.42 : 2,596,895.07 = 1,238,316.94 : x - Step 2: Convert to fraction form
1,881,028.42/2,596,895.07 = 1,238,316.94/x - Step 3: Cross multiply
1,881,028.42x = 2,596,895.07 × 1,238,316.94 - Step 4: Simplify right side
1,881,028.42x = 3,215,779,156,583.49 - Step 5: Solve for x
x = 3,215,779,156,583.49/1,881,028.42 - Step 6: Final answer
x = 1,709,585.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.