Finding the Fourth Proportional to 3,605,640.18, 4,975,774.29 and 2,155,264.98
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Solution
The fourth proportional to 3,605,640.18, 4,975,774.29 and 2,155,264.98 is: 2,974,260.20
Step by Step Solution
- Step 1: Write the proportion equation
3,605,640.18 : 4,975,774.29 = 2,155,264.98 : x - Step 2: Convert to fraction form
3,605,640.18/4,975,774.29 = 2,155,264.98/x - Step 3: Cross multiply
3,605,640.18x = 4,975,774.29 × 2,155,264.98 - Step 4: Simplify right side
3,605,640.18x = 10,724,112,075,621.36 - Step 5: Solve for x
x = 10,724,112,075,621.36/3,605,640.18 - Step 6: Final answer
x = 2,974,260.20
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1.5x scale
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.