Finding the Fourth Proportional to 1,549,930.90, 2,138,946.20 and 937,953.62
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Solution
The fourth proportional to 1,549,930.90, 2,138,946.20 and 937,953.62 is: 1,294,401.14
Step by Step Solution
- Step 1: Write the proportion equation
1,549,930.90 : 2,138,946.20 = 937,953.62 : x - Step 2: Convert to fraction form
1,549,930.90/2,138,946.20 = 937,953.62/x - Step 3: Cross multiply
1,549,930.90x = 2,138,946.20 × 937,953.62 - Step 4: Simplify right side
1,549,930.90x = 2,006,232,331,275.24 - Step 5: Solve for x
x = 2,006,232,331,275.24/1,549,930.90 - Step 6: Final answer
x = 1,294,401.14
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1.5x scale
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.