Finding the Fourth Proportional to 4,069,782.40, 6,104,673.60 and 1,230,332.80
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Solution
The fourth proportional to 4,069,782.40, 6,104,673.60 and 1,230,332.80 is: 1,845,499.20
Step by Step Solution
- Step 1: Write the proportion equation
4,069,782.40 : 6,104,673.60 = 1,230,332.80 : x - Step 2: Convert to fraction form
4,069,782.40/6,104,673.60 = 1,230,332.80/x - Step 3: Cross multiply
4,069,782.40x = 6,104,673.60 × 1,230,332.80 - Step 4: Simplify right side
4,069,782.40x = 7,510,780,163,374.08 - Step 5: Solve for x
x = 7,510,780,163,374.08/4,069,782.40 - Step 6: Final answer
x = 1,845,499.20
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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.