Finding the Fourth Proportional to 1,645,651.93, 2,271,209.76 and 920,539.93
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Solution
The fourth proportional to 1,645,651.93, 2,271,209.76 and 920,539.93 is: 1,270,462.63
Step by Step Solution
- Step 1: Write the proportion equation
1,645,651.93 : 2,271,209.76 = 920,539.93 : x - Step 2: Convert to fraction form
1,645,651.93/2,271,209.76 = 920,539.93/x - Step 3: Cross multiply
1,645,651.93x = 2,271,209.76 × 920,539.93 - Step 4: Simplify right side
1,645,651.93x = 2,090,739,273,485.72 - Step 5: Solve for x
x = 2,090,739,273,485.72/1,645,651.93 - Step 6: Final answer
x = 1,270,462.63
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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.