Finding the Fourth Proportional to 4,624,712.14, 6,937,729.77 and 1,430,084.68
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Solution
The fourth proportional to 4,624,712.14, 6,937,729.77 and 1,430,084.68 is: 2,145,331.59
Step by Step Solution
- Step 1: Write the proportion equation
4,624,712.14 : 6,937,729.77 = 1,430,084.68 : x - Step 2: Convert to fraction form
4,624,712.14/6,937,729.77 = 1,430,084.68/x - Step 3: Cross multiply
4,624,712.14x = 6,937,729.77 × 1,430,084.68 - Step 4: Simplify right side
4,624,712.14x = 9,921,541,058,056.92 - Step 5: Solve for x
x = 9,921,541,058,056.92/4,624,712.14 - Step 6: Final answer
x = 2,145,331.59
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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.