Finding the Fourth Proportional to 2,038,963.72, 2,813,949.08 and 1,121,354.44
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Solution
The fourth proportional to 2,038,963.72, 2,813,949.08 and 1,121,354.44 is: 1,547,567.65
Step by Step Solution
- Step 1: Write the proportion equation
2,038,963.72 : 2,813,949.08 = 1,121,354.44 : x - Step 2: Convert to fraction form
2,038,963.72/2,813,949.08 = 1,121,354.44/x - Step 3: Cross multiply
2,038,963.72x = 2,813,949.08 × 1,121,354.44 - Step 4: Simplify right side
2,038,963.72x = 3,155,434,294,791.92 - Step 5: Solve for x
x = 3,155,434,294,791.92/2,038,963.72 - Step 6: Final answer
x = 1,547,567.65
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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.