Finding the Fourth Proportional to 7,852,178.34, 11,778,268.32 and 2,460,828.06
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Solution
The fourth proportional to 7,852,178.34, 11,778,268.32 and 2,460,828.06 is: 3,691,242.34
Step by Step Solution
- Step 1: Write the proportion equation
7,852,178.34 : 11,778,268.32 = 2,460,828.06 : x - Step 2: Convert to fraction form
7,852,178.34/11,778,268.32 = 2,460,828.06/x - Step 3: Cross multiply
7,852,178.34x = 11,778,268.32 × 2,460,828.06 - Step 4: Simplify right side
7,852,178.34x = 28,984,293,180,065.06 - Step 5: Solve for x
x = 28,984,293,180,065.06/7,852,178.34 - Step 6: Final answer
x = 3,691,242.34
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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.