Finding the Fourth Proportional to 3,834,869.60, 5,292,116.04 and 2,115,990.02
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Solution
The fourth proportional to 3,834,869.60, 5,292,116.04 and 2,115,990.02 is: 2,920,064.02
Step by Step Solution
- Step 1: Write the proportion equation
3,834,869.60 : 5,292,116.04 = 2,115,990.02 : x - Step 2: Convert to fraction form
3,834,869.60/5,292,116.04 = 2,115,990.02/x - Step 3: Cross multiply
3,834,869.60x = 5,292,116.04 × 2,115,990.02 - Step 4: Simplify right side
3,834,869.60x = 11,198,064,725,321.92 - Step 5: Solve for x
x = 11,198,064,725,321.92/3,834,869.60 - Step 6: Final answer
x = 2,920,064.02
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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.