Finding the Fourth Proportional to 1,794,538.72, 2,476,376.08 and 1,069,370.32
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Solution
The fourth proportional to 1,794,538.72, 2,476,376.08 and 1,069,370.32 is: 1,475,678.99
Step by Step Solution
- Step 1: Write the proportion equation
1,794,538.72 : 2,476,376.08 = 1,069,370.32 : x - Step 2: Convert to fraction form
1,794,538.72/2,476,376.08 = 1,069,370.32/x - Step 3: Cross multiply
1,794,538.72x = 2,476,376.08 × 1,069,370.32 - Step 4: Simplify right side
1,794,538.72x = 2,648,163,081,109.95 - Step 5: Solve for x
x = 2,648,163,081,109.95/1,794,538.72 - Step 6: Final answer
x = 1,475,678.99
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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.