Finding the Fourth Proportional to 1,547,038.74, 2,134,873.43 and 858,675.02
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Solution
The fourth proportional to 1,547,038.74, 2,134,873.43 and 858,675.02 is: 1,184,949.30
Step by Step Solution
- Step 1: Write the proportion equation
1,547,038.74 : 2,134,873.43 = 858,675.02 : x - Step 2: Convert to fraction form
1,547,038.74/2,134,873.43 = 858,675.02/x - Step 3: Cross multiply
1,547,038.74x = 2,134,873.43 × 858,675.02 - Step 4: Simplify right side
1,547,038.74x = 1,833,162,470,234.98 - Step 5: Solve for x
x = 1,833,162,470,234.98/1,547,038.74 - Step 6: Final answer
x = 1,184,949.30
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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.