Finding the Fourth Proportional to 2,946,987.30, 4,067,078.70 and 1,657,750.80
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Solution
The fourth proportional to 2,946,987.30, 4,067,078.70 and 1,657,750.80 is: 2,287,828.99
Step by Step Solution
- Step 1: Write the proportion equation
2,946,987.30 : 4,067,078.70 = 1,657,750.80 : x - Step 2: Convert to fraction form
2,946,987.30/4,067,078.70 = 1,657,750.80/x - Step 3: Cross multiply
2,946,987.30x = 4,067,078.70 × 1,657,750.80 - Step 4: Simplify right side
2,946,987.30x = 6,742,202,968,587.96 - Step 5: Solve for x
x = 6,742,202,968,587.96/2,946,987.30 - Step 6: Final answer
x = 2,287,828.99
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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.