Finding the Fourth Proportional to 2,148,354.97, 2,964,670.63 and 1,181,485.24
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Solution
The fourth proportional to 2,148,354.97, 2,964,670.63 and 1,181,485.24 is: 1,630,417.06
Step by Step Solution
- Step 1: Write the proportion equation
2,148,354.97 : 2,964,670.63 = 1,181,485.24 : x - Step 2: Convert to fraction form
2,148,354.97/2,964,670.63 = 1,181,485.24/x - Step 3: Cross multiply
2,148,354.97x = 2,964,670.63 × 1,181,485.24 - Step 4: Simplify right side
2,148,354.97x = 3,502,714,590,806.50 - Step 5: Solve for x
x = 3,502,714,590,806.50/2,148,354.97 - Step 6: Final answer
x = 1,630,417.06
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1.5x scale
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.