Finding the Fourth Proportional to 2,385,430.76, 3,578,129.70 and 965,466.32
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Solution
The fourth proportional to 2,385,430.76, 3,578,129.70 and 965,466.32 is: 1,448,192.83
Step by Step Solution
- Step 1: Write the proportion equation
2,385,430.76 : 3,578,129.70 = 965,466.32 : x - Step 2: Convert to fraction form
2,385,430.76/3,578,129.70 = 965,466.32/x - Step 3: Cross multiply
2,385,430.76x = 3,578,129.70 × 965,466.32 - Step 4: Simplify right side
2,385,430.76x = 3,454,563,713,941.70 - Step 5: Solve for x
x = 3,454,563,713,941.70/2,385,430.76 - Step 6: Final answer
x = 1,448,192.83
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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.