Finding the Fourth Proportional to 2,570,582.80, 3,547,404.60 and 1,424,737.12
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Solution
The fourth proportional to 2,570,582.80, 3,547,404.60 and 1,424,737.12 is: 1,966,137.41
Step by Step Solution
- Step 1: Write the proportion equation
2,570,582.80 : 3,547,404.60 = 1,424,737.12 : x - Step 2: Convert to fraction form
2,570,582.80/3,547,404.60 = 1,424,737.12/x - Step 3: Cross multiply
2,570,582.80x = 3,547,404.60 × 1,424,737.12 - Step 4: Simplify right side
2,570,582.80x = 5,054,119,013,278.75 - Step 5: Solve for x
x = 5,054,119,013,278.75/2,570,582.80 - Step 6: Final answer
x = 1,966,137.41
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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.