Finding the Fourth Proportional to 1,411,871.95, 2,125,490.03 and 1,286,319.02
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Solution
The fourth proportional to 1,411,871.95, 2,125,490.03 and 1,286,319.02 is: 1,936,477.49
Step by Step Solution
- Step 1: Write the proportion equation
1,411,871.95 : 2,125,490.03 = 1,286,319.02 : x - Step 2: Convert to fraction form
1,411,871.95/2,125,490.03 = 1,286,319.02/x - Step 3: Cross multiply
1,411,871.95x = 2,125,490.03 × 1,286,319.02 - Step 4: Simplify right side
1,411,871.95x = 2,734,058,251,394.86 - Step 5: Solve for x
x = 2,734,058,251,394.86/1,411,871.95 - Step 6: Final answer
x = 1,936,477.49
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.