Finding the Fourth Proportional to 1,687,166.62, 2,326,177.95 and 1,408,164.35
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Solution
The fourth proportional to 1,687,166.62, 2,326,177.95 and 1,408,164.35 is: 1,941,504.06
Step by Step Solution
- Step 1: Write the proportion equation
1,687,166.62 : 2,326,177.95 = 1,408,164.35 : x - Step 2: Convert to fraction form
1,687,166.62/2,326,177.95 = 1,408,164.35/x - Step 3: Cross multiply
1,687,166.62x = 2,326,177.95 × 1,408,164.35 - Step 4: Simplify right side
1,687,166.62x = 3,275,640,844,034.58 - Step 5: Solve for x
x = 3,275,640,844,034.58/1,687,166.62 - Step 6: Final answer
x = 1,941,504.06
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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.