Finding the Fourth Proportional to 1,479,479.64, 2,219,921.49 and 1,024,770.08
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Solution
The fourth proportional to 1,479,479.64, 2,219,921.49 and 1,024,770.08 is: 1,537,641.38
Step by Step Solution
- Step 1: Write the proportion equation
1,479,479.64 : 2,219,921.49 = 1,024,770.08 : x - Step 2: Convert to fraction form
1,479,479.64/2,219,921.49 = 1,024,770.08/x - Step 3: Cross multiply
1,479,479.64x = 2,219,921.49 × 1,024,770.08 - Step 4: Simplify right side
1,479,479.64x = 2,274,909,111,801.41 - Step 5: Solve for x
x = 2,274,909,111,801.41/1,479,479.64 - Step 6: Final answer
x = 1,537,641.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.