Finding the Fourth Proportional to 1,699,407.08, 2,549,085.64 and 420,014.68
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Solution
The fourth proportional to 1,699,407.08, 2,549,085.64 and 420,014.68 is: 630,015.85
Step by Step Solution
- Step 1: Write the proportion equation
1,699,407.08 : 2,549,085.64 = 420,014.68 : x - Step 2: Convert to fraction form
1,699,407.08/2,549,085.64 = 420,014.68/x - Step 3: Cross multiply
1,699,407.08x = 2,549,085.64 × 420,014.68 - Step 4: Simplify right side
1,699,407.08x = 1,070,653,389,377.20 - Step 5: Solve for x
x = 1,070,653,389,377.20/1,699,407.08 - Step 6: Final answer
x = 630,015.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.