Finding the Fourth Proportional to 2,645,364.06, 3,967,853.37 and 1,186,862.12
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Solution
The fourth proportional to 2,645,364.06, 3,967,853.37 and 1,186,862.12 is: 1,780,206.71
Step by Step Solution
- Step 1: Write the proportion equation
2,645,364.06 : 3,967,853.37 = 1,186,862.12 : x - Step 2: Convert to fraction form
2,645,364.06/3,967,853.37 = 1,186,862.12/x - Step 3: Cross multiply
2,645,364.06x = 3,967,853.37 × 1,186,862.12 - Step 4: Simplify right side
2,645,364.06x = 4,709,294,862,567.35 - Step 5: Solve for x
x = 4,709,294,862,567.35/2,645,364.06 - Step 6: Final answer
x = 1,780,206.71
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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.