Finding the Fourth Proportional to 2,528,816.67, 3,490,037.45 and 1,549,405.68
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Solution
The fourth proportional to 2,528,816.67, 3,490,037.45 and 1,549,405.68 is: 2,138,345.54
Step by Step Solution
- Step 1: Write the proportion equation
2,528,816.67 : 3,490,037.45 = 1,549,405.68 : x - Step 2: Convert to fraction form
2,528,816.67/3,490,037.45 = 1,549,405.68/x - Step 3: Cross multiply
2,528,816.67x = 3,490,037.45 × 1,549,405.68 - Step 4: Simplify right side
2,528,816.67x = 5,407,483,840,695.69 - Step 5: Solve for x
x = 5,407,483,840,695.69/2,528,816.67 - Step 6: Final answer
x = 2,138,345.54
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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.