Finding the Fourth Proportional to 2,577,465.96, 3,556,840.98 and 1,431,547.21
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Solution
The fourth proportional to 2,577,465.96, 3,556,840.98 and 1,431,547.21 is: 1,975,500.69
Step by Step Solution
- Step 1: Write the proportion equation
2,577,465.96 : 3,556,840.98 = 1,431,547.21 : x - Step 2: Convert to fraction form
2,577,465.96/3,556,840.98 = 1,431,547.21/x - Step 3: Cross multiply
2,577,465.96x = 3,556,840.98 × 1,431,547.21 - Step 4: Simplify right side
2,577,465.96x = 5,091,785,781,332.67 - Step 5: Solve for x
x = 5,091,785,781,332.67/2,577,465.96 - Step 6: Final answer
x = 1,975,500.69
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1.5x scale
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.