Finding the Fourth Proportional to 5,367,417.08, 7,406,866.80 and 2,919,965.44
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Solution
The fourth proportional to 5,367,417.08, 7,406,866.80 and 2,919,965.44 is: 4,029,460.49
Step by Step Solution
- Step 1: Write the proportion equation
5,367,417.08 : 7,406,866.80 = 2,919,965.44 : x - Step 2: Convert to fraction form
5,367,417.08/7,406,866.80 = 2,919,965.44/x - Step 3: Cross multiply
5,367,417.08x = 7,406,866.80 × 2,919,965.44 - Step 4: Simplify right side
5,367,417.08x = 21,627,795,074,683.39 - Step 5: Solve for x
x = 21,627,795,074,683.39/5,367,417.08 - Step 6: Final answer
x = 4,029,460.49
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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.