Finding the Fourth Proportional to 2,953,645.20, 4,430,467.26 and 709,783.20
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Solution
The fourth proportional to 2,953,645.20, 4,430,467.26 and 709,783.20 is: 1,064,674.67
Step by Step Solution
- Step 1: Write the proportion equation
2,953,645.20 : 4,430,467.26 = 709,783.20 : x - Step 2: Convert to fraction form
2,953,645.20/4,430,467.26 = 709,783.20/x - Step 3: Cross multiply
2,953,645.20x = 4,430,467.26 × 709,783.20 - Step 4: Simplify right side
2,953,645.20x = 3,144,671,229,298.03 - Step 5: Solve for x
x = 3,144,671,229,298.03/2,953,645.20 - Step 6: Final answer
x = 1,064,674.67
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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.