Finding the Fourth Proportional to 5,652,312.30, 7,801,947.30 and 4,492,815.96
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Solution
The fourth proportional to 5,652,312.30, 7,801,947.30 and 4,492,815.96 is: 6,201,482.06
Step by Step Solution
- Step 1: Write the proportion equation
5,652,312.30 : 7,801,947.30 = 4,492,815.96 : x - Step 2: Convert to fraction form
5,652,312.30/7,801,947.30 = 4,492,815.96/x - Step 3: Cross multiply
5,652,312.30x = 7,801,947.30 × 4,492,815.96 - Step 4: Simplify right side
5,652,312.30x = 35,052,713,348,518.91 - Step 5: Solve for x
x = 35,052,713,348,518.91/5,652,312.30 - Step 6: Final answer
x = 6,201,482.06
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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.