Finding the Fourth Proportional to 5,362,425.60, 8,038,972.80 and 3,230,246.40
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Solution
The fourth proportional to 5,362,425.60, 8,038,972.80 and 3,230,246.40 is: 4,842,559.11
Step by Step Solution
- Step 1: Write the proportion equation
5,362,425.60 : 8,038,972.80 = 3,230,246.40 : x - Step 2: Convert to fraction form
5,362,425.60/8,038,972.80 = 3,230,246.40/x - Step 3: Cross multiply
5,362,425.60x = 8,038,972.80 × 3,230,246.40 - Step 4: Simplify right side
5,362,425.60x = 25,967,862,946,897.92 - Step 5: Solve for x
x = 25,967,862,946,897.92/5,362,425.60 - Step 6: Final answer
x = 4,842,559.11
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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.