Finding the Fourth Proportional to 2,316,702.74, 3,196,919.14 and 1,349,990.42
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Solution
The fourth proportional to 2,316,702.74, 3,196,919.14 and 1,349,990.42 is: 1,862,910.65
Step by Step Solution
- Step 1: Write the proportion equation
2,316,702.74 : 3,196,919.14 = 1,349,990.42 : x - Step 2: Convert to fraction form
2,316,702.74/3,196,919.14 = 1,349,990.42/x - Step 3: Cross multiply
2,316,702.74x = 3,196,919.14 × 1,349,990.42 - Step 4: Simplify right side
2,316,702.74x = 4,315,810,193,155.07 - Step 5: Solve for x
x = 4,315,810,193,155.07/2,316,702.74 - Step 6: Final answer
x = 1,862,910.65
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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.