Finding the Fourth Proportional to 2,249,140.88, 3,103,891.85 and 1,230,545.63
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Solution
The fourth proportional to 2,249,140.88, 3,103,891.85 and 1,230,545.63 is: 1,698,195.34
Step by Step Solution
- Step 1: Write the proportion equation
2,249,140.88 : 3,103,891.85 = 1,230,545.63 : x - Step 2: Convert to fraction form
2,249,140.88/3,103,891.85 = 1,230,545.63/x - Step 3: Cross multiply
2,249,140.88x = 3,103,891.85 × 1,230,545.63 - Step 4: Simplify right side
2,249,140.88x = 3,819,480,552,010.12 - Step 5: Solve for x
x = 3,819,480,552,010.12/2,249,140.88 - Step 6: Final answer
x = 1,698,195.34
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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.