Finding the Fourth Proportional to 5,448,438.61, 7,518,190.20 and 3,125,211.06
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Solution
The fourth proportional to 5,448,438.61, 7,518,190.20 and 3,125,211.06 is: 4,312,415.51
Step by Step Solution
- Step 1: Write the proportion equation
5,448,438.61 : 7,518,190.20 = 3,125,211.06 : x - Step 2: Convert to fraction form
5,448,438.61/7,518,190.20 = 3,125,211.06/x - Step 3: Cross multiply
5,448,438.61x = 7,518,190.20 × 3,125,211.06 - Step 4: Simplify right side
5,448,438.61x = 23,495,931,180,697.29 - Step 5: Solve for x
x = 23,495,931,180,697.29/5,448,438.61 - Step 6: Final answer
x = 4,312,415.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.