Finding the Fourth Proportional to 4,752,395.60, 7,128,593.40 and 2,193,605.60
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Solution
The fourth proportional to 4,752,395.60, 7,128,593.40 and 2,193,605.60 is: 3,290,408.40
Step by Step Solution
- Step 1: Write the proportion equation
4,752,395.60 : 7,128,593.40 = 2,193,605.60 : x - Step 2: Convert to fraction form
4,752,395.60/7,128,593.40 = 2,193,605.60/x - Step 3: Cross multiply
4,752,395.60x = 7,128,593.40 × 2,193,605.60 - Step 4: Simplify right side
4,752,395.60x = 15,637,322,402,363.04 - Step 5: Solve for x
x = 15,637,322,402,363.04/4,752,395.60 - Step 6: Final answer
x = 3,290,408.40
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1.5x scale
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.