Finding the Fourth Proportional to 6,346,055.21, 8,757,703.76 and 3,767,742.59
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Solution
The fourth proportional to 6,346,055.21, 8,757,703.76 and 3,767,742.59 is: 5,199,572.38
Step by Step Solution
- Step 1: Write the proportion equation
6,346,055.21 : 8,757,703.76 = 3,767,742.59 : x - Step 2: Convert to fraction form
6,346,055.21/8,757,703.76 = 3,767,742.59/x - Step 3: Cross multiply
6,346,055.21x = 8,757,703.76 × 3,767,742.59 - Step 4: Simplify right side
6,346,055.21x = 32,996,773,384,527.91 - Step 5: Solve for x
x = 32,996,773,384,527.91/6,346,055.21 - Step 6: Final answer
x = 5,199,572.38
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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.