Finding the Fourth Proportional to 2,415,328.70, 3,623,430.45 and 1,214,228.30
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Solution
The fourth proportional to 2,415,328.70, 3,623,430.45 and 1,214,228.30 is: 1,821,562.34
Step by Step Solution
- Step 1: Write the proportion equation
2,415,328.70 : 3,623,430.45 = 1,214,228.30 : x - Step 2: Convert to fraction form
2,415,328.70/3,623,430.45 = 1,214,228.30/x - Step 3: Cross multiply
2,415,328.70x = 3,623,430.45 × 1,214,228.30 - Step 4: Simplify right side
2,415,328.70x = 4,399,671,795,471.74 - Step 5: Solve for x
x = 4,399,671,795,471.74/2,415,328.70 - Step 6: Final answer
x = 1,821,562.34
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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.