Finding the Fourth Proportional to 2,832,477.12, 3,908,769.12 and 1,543,328.10
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Solution
The fourth proportional to 2,832,477.12, 3,908,769.12 and 1,543,328.10 is: 2,129,765.91
Step by Step Solution
- Step 1: Write the proportion equation
2,832,477.12 : 3,908,769.12 = 1,543,328.10 : x - Step 2: Convert to fraction form
2,832,477.12/3,908,769.12 = 1,543,328.10/x - Step 3: Cross multiply
2,832,477.12x = 3,908,769.12 × 1,543,328.10 - Step 4: Simplify right side
2,832,477.12x = 6,032,513,219,308.27 - Step 5: Solve for x
x = 6,032,513,219,308.27/2,832,477.12 - Step 6: Final answer
x = 2,129,765.91
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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.