Finding the Fourth Proportional to 1,909,127.30, 2,863,690.95 and 1,058,821.70
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Solution
The fourth proportional to 1,909,127.30, 2,863,690.95 and 1,058,821.70 is: 1,588,232.55
Step by Step Solution
- Step 1: Write the proportion equation
1,909,127.30 : 2,863,690.95 = 1,058,821.70 : x - Step 2: Convert to fraction form
1,909,127.30/2,863,690.95 = 1,058,821.70/x - Step 3: Cross multiply
1,909,127.30x = 2,863,690.95 × 1,058,821.70 - Step 4: Simplify right side
1,909,127.30x = 3,032,138,119,953.62 - Step 5: Solve for x
x = 3,032,138,119,953.62/1,909,127.30 - Step 6: Final answer
x = 1,588,232.55
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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.