Finding the Fourth Proportional to 1,643,335.65, 2,465,130.71 and 549,124.26
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Solution
The fourth proportional to 1,643,335.65, 2,465,130.71 and 549,124.26 is: 823,728.91
Step by Step Solution
- Step 1: Write the proportion equation
1,643,335.65 : 2,465,130.71 = 549,124.26 : x - Step 2: Convert to fraction form
1,643,335.65/2,465,130.71 = 549,124.26/x - Step 3: Cross multiply
1,643,335.65x = 2,465,130.71 × 549,124.26 - Step 4: Simplify right side
1,643,335.65x = 1,353,663,076,932.02 - Step 5: Solve for x
x = 1,353,663,076,932.02/1,643,335.65 - Step 6: Final answer
x = 823,728.91
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1.5x scale
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.