Finding the Fourth Proportional to 1,946,663.76, 2,686,130.58 and 1,087,114.44
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Solution
The fourth proportional to 1,946,663.76, 2,686,130.58 and 1,087,114.44 is: 1,500,069.71
Step by Step Solution
- Step 1: Write the proportion equation
1,946,663.76 : 2,686,130.58 = 1,087,114.44 : x - Step 2: Convert to fraction form
1,946,663.76/2,686,130.58 = 1,087,114.44/x - Step 3: Cross multiply
1,946,663.76x = 2,686,130.58 × 1,087,114.44 - Step 4: Simplify right side
1,946,663.76x = 2,920,131,341,243.58 - Step 5: Solve for x
x = 2,920,131,341,243.58/1,946,663.76 - Step 6: Final answer
x = 1,500,069.71
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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.