Finding the Fourth Proportional to 3,124,587.14, 4,312,147.29 and 1,748,384.18
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Solution
The fourth proportional to 3,124,587.14, 4,312,147.29 and 1,748,384.18 is: 2,412,891.61
Step by Step Solution
- Step 1: Write the proportion equation
3,124,587.14 : 4,312,147.29 = 1,748,384.18 : x - Step 2: Convert to fraction form
3,124,587.14/4,312,147.29 = 1,748,384.18/x - Step 3: Cross multiply
3,124,587.14x = 4,312,147.29 × 1,748,384.18 - Step 4: Simplify right side
3,124,587.14x = 7,539,290,103,665.87 - Step 5: Solve for x
x = 7,539,290,103,665.87/3,124,587.14 - Step 6: Final answer
x = 2,412,891.61
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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.