Finding the Fourth Proportional to 2,060,257.80, 3,090,386.70 and 861,781.80
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Solution
The fourth proportional to 2,060,257.80, 3,090,386.70 and 861,781.80 is: 1,292,672.70
Step by Step Solution
- Step 1: Write the proportion equation
2,060,257.80 : 3,090,386.70 = 861,781.80 : x - Step 2: Convert to fraction form
2,060,257.80/3,090,386.70 = 861,781.80/x - Step 3: Cross multiply
2,060,257.80x = 3,090,386.70 × 861,781.80 - Step 4: Simplify right side
2,060,257.80x = 2,663,239,013,022.06 - Step 5: Solve for x
x = 2,663,239,013,022.06/2,060,257.80 - Step 6: Final answer
x = 1,292,672.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.