Finding the Fourth Proportional to 1,403,972.42, 2,106,221.14 and 562,589.78
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Solution
The fourth proportional to 1,403,972.42, 2,106,221.14 and 562,589.78 is: 843,989.86
Step by Step Solution
- Step 1: Write the proportion equation
1,403,972.42 : 2,106,221.14 = 562,589.78 : x - Step 2: Convert to fraction form
1,403,972.42/2,106,221.14 = 562,589.78/x - Step 3: Cross multiply
1,403,972.42x = 2,106,221.14 × 562,589.78 - Step 4: Simplify right side
1,403,972.42x = 1,184,938,487,783.95 - Step 5: Solve for x
x = 1,184,938,487,783.95/1,403,972.42 - Step 6: Final answer
x = 843,989.86
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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.