Finding the Fourth Proportional to 2,124,484.47, 3,187,668.74 and 1,113,366.06
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Solution
The fourth proportional to 2,124,484.47, 3,187,668.74 and 1,113,366.06 is: 1,670,542.77
Step by Step Solution
- Step 1: Write the proportion equation
2,124,484.47 : 3,187,668.74 = 1,113,366.06 : x - Step 2: Convert to fraction form
2,124,484.47/3,187,668.74 = 1,113,366.06/x - Step 3: Cross multiply
2,124,484.47x = 3,187,668.74 × 1,113,366.06 - Step 4: Simplify right side
2,124,484.47x = 3,549,042,180,072.13 - Step 5: Solve for x
x = 3,549,042,180,072.13/2,124,484.47 - Step 6: Final answer
x = 1,670,542.77
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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.