Finding the Fourth Proportional to 4,249,877.40, 6,374,232.90 and 1,409,693.40
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Solution
The fourth proportional to 4,249,877.40, 6,374,232.90 and 1,409,693.40 is: 2,114,346.65
Step by Step Solution
- Step 1: Write the proportion equation
4,249,877.40 : 6,374,232.90 = 1,409,693.40 : x - Step 2: Convert to fraction form
4,249,877.40/6,374,232.90 = 1,409,693.40/x - Step 3: Cross multiply
4,249,877.40x = 6,374,232.90 × 1,409,693.40 - Step 4: Simplify right side
4,249,877.40x = 8,985,714,049,192.86 - Step 5: Solve for x
x = 8,985,714,049,192.86/4,249,877.40 - Step 6: Final answer
x = 2,114,346.65
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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.