Finding the Fourth Proportional to 3,079,152.19, 4,249,058.61 and 1,702,416.25
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Solution
The fourth proportional to 3,079,152.19, 4,249,058.61 and 1,702,416.25 is: 2,349,239.65
Step by Step Solution
- Step 1: Write the proportion equation
3,079,152.19 : 4,249,058.61 = 1,702,416.25 : x - Step 2: Convert to fraction form
3,079,152.19/4,249,058.61 = 1,702,416.25/x - Step 3: Cross multiply
3,079,152.19x = 4,249,058.61 × 1,702,416.25 - Step 4: Simplify right side
3,079,152.19x = 7,233,666,424,866.41 - Step 5: Solve for x
x = 7,233,666,424,866.41/3,079,152.19 - Step 6: Final answer
x = 2,349,239.65
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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.