Finding the Fourth Proportional to 1,472,165.35, 2,031,448.21 and 860,461.45
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Solution
The fourth proportional to 1,472,165.35, 2,031,448.21 and 860,461.45 is: 1,187,354.99
Step by Step Solution
- Step 1: Write the proportion equation
1,472,165.35 : 2,031,448.21 = 860,461.45 : x - Step 2: Convert to fraction form
1,472,165.35/2,031,448.21 = 860,461.45/x - Step 3: Cross multiply
1,472,165.35x = 2,031,448.21 × 860,461.45 - Step 4: Simplify right side
1,472,165.35x = 1,747,982,872,376.50 - Step 5: Solve for x
x = 1,747,982,872,376.50/1,472,165.35 - Step 6: Final answer
x = 1,187,354.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.