Finding the Fourth Proportional to 1,576,561.90, 2,175,699 and 964,703.70
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Solution
The fourth proportional to 1,576,561.90, 2,175,699 and 964,703.70 is: 1,331,317.77
Step by Step Solution
- Step 1: Write the proportion equation
1,576,561.90 : 2,175,699 = 964,703.70 : x - Step 2: Convert to fraction form
1,576,561.90/2,175,699 = 964,703.70/x - Step 3: Cross multiply
1,576,561.90x = 2,175,699 × 964,703.70 - Step 4: Simplify right side
1,576,561.90x = 2,098,904,875,386.30 - Step 5: Solve for x
x = 2,098,904,875,386.30/1,576,561.90 - Step 6: Final answer
x = 1,331,317.77
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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.