Finding the Fourth Proportional to 5,143,463.48, 7,709,794.49 and 1,730,565.29
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Solution
The fourth proportional to 5,143,463.48, 7,709,794.49 and 1,730,565.29 is: 2,594,030.81
Step by Step Solution
- Step 1: Write the proportion equation
5,143,463.48 : 7,709,794.49 = 1,730,565.29 : x - Step 2: Convert to fraction form
5,143,463.48/7,709,794.49 = 1,730,565.29/x - Step 3: Cross multiply
5,143,463.48x = 7,709,794.49 × 1,730,565.29 - Step 4: Simplify right side
5,143,463.48x = 13,342,302,722,479.18 - Step 5: Solve for x
x = 13,342,302,722,479.18/5,143,463.48 - Step 6: Final answer
x = 2,594,030.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.