Finding the Fourth Proportional to 4,543,265.30, 6,269,746.16 and 2,478,290.05
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Solution
The fourth proportional to 4,543,265.30, 6,269,746.16 and 2,478,290.05 is: 3,420,062.11
Step by Step Solution
- Step 1: Write the proportion equation
4,543,265.30 : 6,269,746.16 = 2,478,290.05 : x - Step 2: Convert to fraction form
4,543,265.30/6,269,746.16 = 2,478,290.05/x - Step 3: Cross multiply
4,543,265.30x = 6,269,746.16 × 2,478,290.05 - Step 4: Simplify right side
4,543,265.30x = 15,538,249,514,875.07 - Step 5: Solve for x
x = 15,538,249,514,875.07/4,543,265.30 - Step 6: Final answer
x = 3,420,062.11
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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.