Finding the Fourth Proportional to 2,730,197.35, 3,768,421.76 and 1,584,646.75
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Solution
The fourth proportional to 2,730,197.35, 3,768,421.76 and 1,584,646.75 is: 2,187,247.49
Step by Step Solution
- Step 1: Write the proportion equation
2,730,197.35 : 3,768,421.76 = 1,584,646.75 : x - Step 2: Convert to fraction form
2,730,197.35/3,768,421.76 = 1,584,646.75/x - Step 3: Cross multiply
2,730,197.35x = 3,768,421.76 × 1,584,646.75 - Step 4: Simplify right side
2,730,197.35x = 5,971,617,294,613.28 - Step 5: Solve for x
x = 5,971,617,294,613.28/2,730,197.35 - Step 6: Final answer
x = 2,187,247.49
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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.