Finding the Fourth Proportional to 1,557,029.16, 2,148,906.42 and 912,702.60
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Solution
The fourth proportional to 1,557,029.16, 2,148,906.42 and 912,702.60 is: 1,259,650.45
Step by Step Solution
- Step 1: Write the proportion equation
1,557,029.16 : 2,148,906.42 = 912,702.60 : x - Step 2: Convert to fraction form
1,557,029.16/2,148,906.42 = 912,702.60/x - Step 3: Cross multiply
1,557,029.16x = 2,148,906.42 × 912,702.60 - Step 4: Simplify right side
1,557,029.16x = 1,961,312,476,690.69 - Step 5: Solve for x
x = 1,961,312,476,690.69/1,557,029.16 - Step 6: Final answer
x = 1,259,650.45
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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.