Finding the Fourth Proportional to 1,630,542.40, 2,248,564.80 and 1,267,325.44
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Solution
The fourth proportional to 1,630,542.40, 2,248,564.80 and 1,267,325.44 is: 1,747,678.18
Step by Step Solution
- Step 1: Write the proportion equation
1,630,542.40 : 2,248,564.80 = 1,267,325.44 : x - Step 2: Convert to fraction form
1,630,542.40/2,248,564.80 = 1,267,325.44/x - Step 3: Cross multiply
1,630,542.40x = 2,248,564.80 × 1,267,325.44 - Step 4: Simplify right side
1,630,542.40x = 2,849,663,374,528.51 - Step 5: Solve for x
x = 2,849,663,374,528.51/1,630,542.40 - Step 6: Final answer
x = 1,747,678.18
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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.