Finding the Fourth Proportional to 4,147,305.60, 6,220,024.80 and 1,487,913.60
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Solution
The fourth proportional to 4,147,305.60, 6,220,024.80 and 1,487,913.60 is: 2,231,535.46
Step by Step Solution
- Step 1: Write the proportion equation
4,147,305.60 : 6,220,024.80 = 1,487,913.60 : x - Step 2: Convert to fraction form
4,147,305.60/6,220,024.80 = 1,487,913.60/x - Step 3: Cross multiply
4,147,305.60x = 6,220,024.80 × 1,487,913.60 - Step 4: Simplify right side
4,147,305.60x = 9,254,859,492,257.28 - Step 5: Solve for x
x = 9,254,859,492,257.28/4,147,305.60 - Step 6: Final answer
x = 2,231,535.46
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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.