Finding the Fourth Proportional to 2,531,038.07, 3,492,830.25 and 1,428,701.53
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Solution
The fourth proportional to 2,531,038.07, 3,492,830.25 and 1,428,701.53 is: 1,971,606.82
Step by Step Solution
- Step 1: Write the proportion equation
2,531,038.07 : 3,492,830.25 = 1,428,701.53 : x - Step 2: Convert to fraction form
2,531,038.07/3,492,830.25 = 1,428,701.53/x - Step 3: Cross multiply
2,531,038.07x = 3,492,830.25 × 1,428,701.53 - Step 4: Simplify right side
2,531,038.07x = 4,990,211,913,101.11 - Step 5: Solve for x
x = 4,990,211,913,101.11/2,531,038.07 - Step 6: Final answer
x = 1,971,606.82
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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.