Finding the Fourth Proportional to 1,905,203.03, 2,629,209.98 and 1,045,841.63
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Solution
The fourth proportional to 1,905,203.03, 2,629,209.98 and 1,045,841.63 is: 1,443,277.81
Step by Step Solution
- Step 1: Write the proportion equation
1,905,203.03 : 2,629,209.98 = 1,045,841.63 : x - Step 2: Convert to fraction form
1,905,203.03/2,629,209.98 = 1,045,841.63/x - Step 3: Cross multiply
1,905,203.03x = 2,629,209.98 × 1,045,841.63 - Step 4: Simplify right side
1,905,203.03x = 2,749,737,240,564.02 - Step 5: Solve for x
x = 2,749,737,240,564.02/1,905,203.03 - Step 6: Final answer
x = 1,443,277.81
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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.