Finding the Fourth Proportional to 4,403,434.60, 6,605,151.90 and 1,209,053.80
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Solution
The fourth proportional to 4,403,434.60, 6,605,151.90 and 1,209,053.80 is: 1,813,580.70
Step by Step Solution
- Step 1: Write the proportion equation
4,403,434.60 : 6,605,151.90 = 1,209,053.80 : x - Step 2: Convert to fraction form
4,403,434.60/6,605,151.90 = 1,209,053.80/x - Step 3: Cross multiply
4,403,434.60x = 6,605,151.90 × 1,209,053.80 - Step 4: Simplify right side
4,403,434.60x = 7,985,984,004,272.22 - Step 5: Solve for x
x = 7,985,984,004,272.22/4,403,434.60 - Step 6: Final answer
x = 1,813,580.70
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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.