Finding the Fourth Proportional to 1,903,030.74, 2,626,218.51 and 1,043,539.74
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Solution
The fourth proportional to 1,903,030.74, 2,626,218.51 and 1,043,539.74 is: 1,440,104.63
Step by Step Solution
- Step 1: Write the proportion equation
1,903,030.74 : 2,626,218.51 = 1,043,539.74 : x - Step 2: Convert to fraction form
1,903,030.74/2,626,218.51 = 1,043,539.74/x - Step 3: Cross multiply
1,903,030.74x = 2,626,218.51 × 1,043,539.74 - Step 4: Simplify right side
1,903,030.74x = 2,740,563,381,108.59 - Step 5: Solve for x
x = 2,740,563,381,108.59/1,903,030.74 - Step 6: Final answer
x = 1,440,104.63
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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.