Finding the Fourth Proportional to 2,249,879.09, 3,104,810.83 and 1,217,364.05
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Solution
The fourth proportional to 2,249,879.09, 3,104,810.83 and 1,217,364.05 is: 1,679,950.32
Step by Step Solution
- Step 1: Write the proportion equation
2,249,879.09 : 3,104,810.83 = 1,217,364.05 : x - Step 2: Convert to fraction form
2,249,879.09/3,104,810.83 = 1,217,364.05/x - Step 3: Cross multiply
2,249,879.09x = 3,104,810.83 × 1,217,364.05 - Step 4: Simplify right side
2,249,879.09x = 3,779,685,095,776.39 - Step 5: Solve for x
x = 3,779,685,095,776.39/2,249,879.09 - Step 6: Final answer
x = 1,679,950.32
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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.