Finding the Fourth Proportional to 1,985,248.84, 2,738,901.16 and 1,168,953.52
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Solution
The fourth proportional to 1,985,248.84, 2,738,901.16 and 1,168,953.52 is: 1,612,718.81
Step by Step Solution
- Step 1: Write the proportion equation
1,985,248.84 : 2,738,901.16 = 1,168,953.52 : x - Step 2: Convert to fraction form
1,985,248.84/2,738,901.16 = 1,168,953.52/x - Step 3: Cross multiply
1,985,248.84x = 2,738,901.16 × 1,168,953.52 - Step 4: Simplify right side
1,985,248.84x = 3,201,648,151,914.08 - Step 5: Solve for x
x = 3,201,648,151,914.08/1,985,248.84 - Step 6: Final answer
x = 1,612,718.81
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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.