Finding the Fourth Proportional to 5,628,639.13, 7,767,528.65 and 3,050,319.91
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Solution
The fourth proportional to 5,628,639.13, 7,767,528.65 and 3,050,319.91 is: 4,209,445.08
Step by Step Solution
- Step 1: Write the proportion equation
5,628,639.13 : 7,767,528.65 = 3,050,319.91 : x - Step 2: Convert to fraction form
5,628,639.13/7,767,528.65 = 3,050,319.91/x - Step 3: Cross multiply
5,628,639.13x = 7,767,528.65 × 3,050,319.91 - Step 4: Simplify right side
5,628,639.13x = 23,693,447,292,590.42 - Step 5: Solve for x
x = 23,693,447,292,590.42/5,628,639.13 - Step 6: Final answer
x = 4,209,445.08
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.