Finding the Fourth Proportional to 2,175,832.16, 3,264,258.76 and 2,139,683.08
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Solution
The fourth proportional to 2,175,832.16, 3,264,258.76 and 2,139,683.08 is: 3,210,026.66
Step by Step Solution
- Step 1: Write the proportion equation
2,175,832.16 : 3,264,258.76 = 2,139,683.08 : x - Step 2: Convert to fraction form
2,175,832.16/3,264,258.76 = 2,139,683.08/x - Step 3: Cross multiply
2,175,832.16x = 3,264,258.76 × 2,139,683.08 - Step 4: Simplify right side
2,175,832.16x = 6,984,479,237,513.78 - Step 5: Solve for x
x = 6,984,479,237,513.78/2,175,832.16 - Step 6: Final answer
x = 3,210,026.66
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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.