Finding the Fourth Proportional to 1,615,364.08, 2,422,958.40 and 493,345.60
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Solution
The fourth proportional to 1,615,364.08, 2,422,958.40 and 493,345.60 is: 739,991.61
Step by Step Solution
- Step 1: Write the proportion equation
1,615,364.08 : 2,422,958.40 = 493,345.60 : x - Step 2: Convert to fraction form
1,615,364.08/2,422,958.40 = 493,345.60/x - Step 3: Cross multiply
1,615,364.08x = 2,422,958.40 × 493,345.60 - Step 4: Simplify right side
1,615,364.08x = 1,195,355,865,623.04 - Step 5: Solve for x
x = 1,195,355,865,623.04/1,615,364.08 - Step 6: Final answer
x = 739,991.61
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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.