Finding the Fourth Proportional to 3,549,669.36, 5,326,899.80 and 1,390,426.62
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Solution
The fourth proportional to 3,549,669.36, 5,326,899.80 and 1,390,426.62 is: 2,086,578.36
Step by Step Solution
- Step 1: Write the proportion equation
3,549,669.36 : 5,326,899.80 = 1,390,426.62 : x - Step 2: Convert to fraction form
3,549,669.36/5,326,899.80 = 1,390,426.62/x - Step 3: Cross multiply
3,549,669.36x = 5,326,899.80 × 1,390,426.62 - Step 4: Simplify right side
3,549,669.36x = 7,406,663,283,992.68 - Step 5: Solve for x
x = 7,406,663,283,992.68/3,549,669.36 - Step 6: Final answer
x = 2,086,578.36
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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.