Finding the Fourth Proportional to 1,786,316.66, 2,465,506.74 and 1,098,580.18
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Solution
The fourth proportional to 1,786,316.66, 2,465,506.74 and 1,098,580.18 is: 1,516,280.34
Step by Step Solution
- Step 1: Write the proportion equation
1,786,316.66 : 2,465,506.74 = 1,098,580.18 : x - Step 2: Convert to fraction form
1,786,316.66/2,465,506.74 = 1,098,580.18/x - Step 3: Cross multiply
1,786,316.66x = 2,465,506.74 × 1,098,580.18 - Step 4: Simplify right side
1,786,316.66x = 2,708,556,838,220.41 - Step 5: Solve for x
x = 2,708,556,838,220.41/1,786,316.66 - Step 6: Final answer
x = 1,516,280.34
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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.