Finding the Fourth Proportional to 5,979,838.12, 8,249,587.86 and 3,656,832.20
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Solution
The fourth proportional to 5,979,838.12, 8,249,587.86 and 3,656,832.20 is: 5,044,845.35
Step by Step Solution
- Step 1: Write the proportion equation
5,979,838.12 : 8,249,587.86 = 3,656,832.20 : x - Step 2: Convert to fraction form
5,979,838.12/8,249,587.86 = 3,656,832.20/x - Step 3: Cross multiply
5,979,838.12x = 8,249,587.86 × 3,656,832.20 - Step 4: Simplify right side
5,979,838.12x = 30,167,358,523,177.09 - Step 5: Solve for x
x = 30,167,358,523,177.09/5,979,838.12 - Step 6: Final answer
x = 5,044,845.35
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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.