Finding the Fourth Proportional to 2,953,581.21, 4,430,371.59 and 709,719.21
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Solution
The fourth proportional to 2,953,581.21, 4,430,371.59 and 709,719.21 is: 1,064,578.76
Step by Step Solution
- Step 1: Write the proportion equation
2,953,581.21 : 4,430,371.59 = 709,719.21 : x - Step 2: Convert to fraction form
2,953,581.21/4,430,371.59 = 709,719.21/x - Step 3: Cross multiply
2,953,581.21x = 4,430,371.59 × 709,719.21 - Step 4: Simplify right side
2,953,581.21x = 3,144,319,824,861.24 - Step 5: Solve for x
x = 3,144,319,824,861.24/2,953,581.21 - Step 6: Final answer
x = 1,064,578.76
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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.