Finding the Fourth Proportional to 2,853,628.12, 3,938,005.88 and 1,564,440.84
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Solution
The fourth proportional to 2,853,628.12, 3,938,005.88 and 1,564,440.84 is: 2,158,927.85
Step by Step Solution
- Step 1: Write the proportion equation
2,853,628.12 : 3,938,005.88 = 1,564,440.84 : x - Step 2: Convert to fraction form
2,853,628.12/3,938,005.88 = 1,564,440.84/x - Step 3: Cross multiply
2,853,628.12x = 3,938,005.88 × 1,564,440.84 - Step 4: Simplify right side
2,853,628.12x = 6,160,777,226,832.14 - Step 5: Solve for x
x = 6,160,777,226,832.14/2,853,628.12 - Step 6: Final answer
x = 2,158,927.85
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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.