Finding the Fourth Proportional to 4,315,789.60, 6,476,276.40 and 1,791,181.60
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Solution
The fourth proportional to 4,315,789.60, 6,476,276.40 and 1,791,181.60 is: 2,687,848.16
Step by Step Solution
- Step 1: Write the proportion equation
4,315,789.60 : 6,476,276.40 = 1,791,181.60 : x - Step 2: Convert to fraction form
4,315,789.60/6,476,276.40 = 1,791,181.60/x - Step 3: Cross multiply
4,315,789.60x = 6,476,276.40 × 1,791,181.60 - Step 4: Simplify right side
4,315,789.60x = 11,600,187,124,194.24 - Step 5: Solve for x
x = 11,600,187,124,194.24/4,315,789.60 - Step 6: Final answer
x = 2,687,848.16
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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.