Finding the Fourth Proportional to 2,518,364.79, 3,475,242.02 and 1,372,420.53
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Solution
The fourth proportional to 2,518,364.79, 3,475,242.02 and 1,372,420.53 is: 1,893,885.08
Step by Step Solution
- Step 1: Write the proportion equation
2,518,364.79 : 3,475,242.02 = 1,372,420.53 : x - Step 2: Convert to fraction form
2,518,364.79/3,475,242.02 = 1,372,420.53/x - Step 3: Cross multiply
2,518,364.79x = 3,475,242.02 × 1,372,420.53 - Step 4: Simplify right side
2,518,364.79x = 4,769,493,498,397.72 - Step 5: Solve for x
x = 4,769,493,498,397.72/2,518,364.79 - Step 6: Final answer
x = 1,893,885.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.