Finding the Fourth Proportional to 4,214,386.42, 5,815,867.93 and 2,280,646.49
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Solution
The fourth proportional to 4,214,386.42, 5,815,867.93 and 2,280,646.49 is: 3,147,300.09
Step by Step Solution
- Step 1: Write the proportion equation
4,214,386.42 : 5,815,867.93 = 2,280,646.49 : x - Step 2: Convert to fraction form
4,214,386.42/5,815,867.93 = 2,280,646.49/x - Step 3: Cross multiply
4,214,386.42x = 5,815,867.93 × 2,280,646.49 - Step 4: Simplify right side
4,214,386.42x = 13,263,938,746,077.11 - Step 5: Solve for x
x = 13,263,938,746,077.11/4,214,386.42 - Step 6: Final answer
x = 3,147,300.09
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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.