Finding the Fourth Proportional to 1,920,805.44, 2,651,263.65 and 1,267,908.02
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Solution
The fourth proportional to 1,920,805.44, 2,651,263.65 and 1,267,908.02 is: 1,750,077.53
Step by Step Solution
- Step 1: Write the proportion equation
1,920,805.44 : 2,651,263.65 = 1,267,908.02 : x - Step 2: Convert to fraction form
1,920,805.44/2,651,263.65 = 1,267,908.02/x - Step 3: Cross multiply
1,920,805.44x = 2,651,263.65 × 1,267,908.02 - Step 4: Simplify right side
1,920,805.44x = 3,361,558,444,969.47 - Step 5: Solve for x
x = 3,361,558,444,969.47/1,920,805.44 - Step 6: Final answer
x = 1,750,077.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.