Finding the Fourth Proportional to 1,715,701.84, 2,368,281.52 and 1,171,447.12
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Solution
The fourth proportional to 1,715,701.84, 2,368,281.52 and 1,171,447.12 is: 1,617,015.56
Step by Step Solution
- Step 1: Write the proportion equation
1,715,701.84 : 2,368,281.52 = 1,171,447.12 : x - Step 2: Convert to fraction form
1,715,701.84/2,368,281.52 = 1,171,447.12/x - Step 3: Cross multiply
1,715,701.84x = 2,368,281.52 × 1,171,447.12 - Step 4: Simplify right side
1,715,701.84x = 2,774,316,565,953.22 - Step 5: Solve for x
x = 2,774,316,565,953.22/1,715,701.84 - Step 6: Final answer
x = 1,617,015.56
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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.