Finding the Fourth Proportional to 1,668,603.84, 2,302,689.24 and 904,659.36
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Solution
The fourth proportional to 1,668,603.84, 2,302,689.24 and 904,659.36 is: 1,248,438.56
Step by Step Solution
- Step 1: Write the proportion equation
1,668,603.84 : 2,302,689.24 = 904,659.36 : x - Step 2: Convert to fraction form
1,668,603.84/2,302,689.24 = 904,659.36/x - Step 3: Cross multiply
1,668,603.84x = 2,302,689.24 × 904,659.36 - Step 4: Simplify right side
1,668,603.84x = 2,083,149,374,137.29 - Step 5: Solve for x
x = 2,083,149,374,137.29/1,668,603.84 - Step 6: Final answer
x = 1,248,438.56
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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.