Finding the Fourth Proportional to 1,604,362.40, 2,214,022.06 and 869,316.09
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Solution
The fourth proportional to 1,604,362.40, 2,214,022.06 and 869,316.09 is: 1,199,657.26
Step by Step Solution
- Step 1: Write the proportion equation
1,604,362.40 : 2,214,022.06 = 869,316.09 : x - Step 2: Convert to fraction form
1,604,362.40/2,214,022.06 = 869,316.09/x - Step 3: Cross multiply
1,604,362.40x = 2,214,022.06 × 869,316.09 - Step 4: Simplify right side
1,604,362.40x = 1,924,684,998,199.66 - Step 5: Solve for x
x = 1,924,684,998,199.66/1,604,362.40 - Step 6: Final answer
x = 1,199,657.26
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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.