Finding the Fourth Proportional to 4,385,574.63, 6,579,483.12 and 1,689,176.16
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Solution
The fourth proportional to 4,385,574.63, 6,579,483.12 and 1,689,176.16 is: 2,534,196.08
Step by Step Solution
- Step 1: Write the proportion equation
4,385,574.63 : 6,579,483.12 = 1,689,176.16 : x - Step 2: Convert to fraction form
4,385,574.63/6,579,483.12 = 1,689,176.16/x - Step 3: Cross multiply
4,385,574.63x = 6,579,483.12 × 1,689,176.16 - Step 4: Simplify right side
4,385,574.63x = 11,113,906,031,426.42 - Step 5: Solve for x
x = 11,113,906,031,426.42/4,385,574.63 - Step 6: Final answer
x = 2,534,196.08
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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.