Finding the Fourth Proportional to 5,143,468.74, 7,709,802.36 and 1,730,570.55
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Solution
The fourth proportional to 5,143,468.74, 7,709,802.36 and 1,730,570.55 is: 2,594,038.69
Step by Step Solution
- Step 1: Write the proportion equation
5,143,468.74 : 7,709,802.36 = 1,730,570.55 : x - Step 2: Convert to fraction form
5,143,468.74/7,709,802.36 = 1,730,570.55/x - Step 3: Cross multiply
5,143,468.74x = 7,709,802.36 × 1,730,570.55 - Step 4: Simplify right side
5,143,468.74x = 13,342,356,910,536.50 - Step 5: Solve for x
x = 13,342,356,910,536.50/5,143,468.74 - Step 6: Final answer
x = 2,594,038.69
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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.