Finding the Fourth Proportional to 5,253,021.96, 7,249,281.12 and 2,961,182.70
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Solution
The fourth proportional to 5,253,021.96, 7,249,281.12 and 2,961,182.70 is: 4,086,494.59
Step by Step Solution
- Step 1: Write the proportion equation
5,253,021.96 : 7,249,281.12 = 2,961,182.70 : x - Step 2: Convert to fraction form
5,253,021.96/7,249,281.12 = 2,961,182.70/x - Step 3: Cross multiply
5,253,021.96x = 7,249,281.12 × 2,961,182.70 - Step 4: Simplify right side
5,253,021.96x = 21,466,445,839,980.62 - Step 5: Solve for x
x = 21,466,445,839,980.62/5,253,021.96 - Step 6: Final answer
x = 4,086,494.59
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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.