Finding the Fourth Proportional to 3,700,130.40, 5,549,432.84 and 1,424,873.88
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Solution
The fourth proportional to 3,700,130.40, 5,549,432.84 and 1,424,873.88 is: 2,137,017.09
Step by Step Solution
- Step 1: Write the proportion equation
3,700,130.40 : 5,549,432.84 = 1,424,873.88 : x - Step 2: Convert to fraction form
3,700,130.40/5,549,432.84 = 1,424,873.88/x - Step 3: Cross multiply
3,700,130.40x = 5,549,432.84 × 1,424,873.88 - Step 4: Simplify right side
3,700,130.40x = 7,907,241,902,530.22 - Step 5: Solve for x
x = 7,907,241,902,530.22/3,700,130.40 - Step 6: Final answer
x = 2,137,017.09
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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.