Finding the Fourth Proportional to 2,216,041.61, 3,058,398.63 and 1,236,135.02
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Solution
The fourth proportional to 2,216,041.61, 3,058,398.63 and 1,236,135.02 is: 1,706,012.03
Step by Step Solution
- Step 1: Write the proportion equation
2,216,041.61 : 3,058,398.63 = 1,236,135.02 : x - Step 2: Convert to fraction form
2,216,041.61/3,058,398.63 = 1,236,135.02/x - Step 3: Cross multiply
2,216,041.61x = 3,058,398.63 × 1,236,135.02 - Step 4: Simplify right side
2,216,041.61x = 3,780,593,636,371.03 - Step 5: Solve for x
x = 3,780,593,636,371.03/2,216,041.61 - Step 6: Final answer
x = 1,706,012.03
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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.