Finding the Fourth Proportional to 1,575,462.09, 2,174,126.63 and 860,070.09
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Solution
The fourth proportional to 1,575,462.09, 2,174,126.63 and 860,070.09 is: 1,186,890.69
Step by Step Solution
- Step 1: Write the proportion equation
1,575,462.09 : 2,174,126.63 = 860,070.09 : x - Step 2: Convert to fraction form
1,575,462.09/2,174,126.63 = 860,070.09/x - Step 3: Cross multiply
1,575,462.09x = 2,174,126.63 × 860,070.09 - Step 4: Simplify right side
1,575,462.09x = 1,869,901,282,035.15 - Step 5: Solve for x
x = 1,869,901,282,035.15/1,575,462.09 - Step 6: Final answer
x = 1,186,890.69
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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.