Finding the Fourth Proportional to 2,953,644.18, 4,430,465.76 and 709,782.18
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Solution
The fourth proportional to 2,953,644.18, 4,430,465.76 and 709,782.18 is: 1,064,673.15
Step by Step Solution
- Step 1: Write the proportion equation
2,953,644.18 : 4,430,465.76 = 709,782.18 : x - Step 2: Convert to fraction form
2,953,644.18/4,430,465.76 = 709,782.18/x - Step 3: Cross multiply
2,953,644.18x = 4,430,465.76 × 709,782.18 - Step 4: Simplify right side
2,953,644.18x = 3,144,665,645,548.16 - Step 5: Solve for x
x = 3,144,665,645,548.16/2,953,644.18 - Step 6: Final answer
x = 1,064,673.15
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1.5x scale
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.