Finding the Fourth Proportional to 1,425,625.74, 2,138,237.64 and 360,602.10
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Solution
The fourth proportional to 1,425,625.74, 2,138,237.64 and 360,602.10 is: 540,852.32
Step by Step Solution
- Step 1: Write the proportion equation
1,425,625.74 : 2,138,237.64 = 360,602.10 : x - Step 2: Convert to fraction form
1,425,625.74/2,138,237.64 = 360,602.10/x - Step 3: Cross multiply
1,425,625.74x = 2,138,237.64 × 360,602.10 - Step 4: Simplify right side
1,425,625.74x = 771,052,983,283.04 - Step 5: Solve for x
x = 771,052,983,283.04/1,425,625.74 - Step 6: Final answer
x = 540,852.32
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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.