Finding the Fourth Proportional to 1,547,122.08, 2,135,122.56 and 1,029,983.52
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Solution
The fourth proportional to 1,547,122.08, 2,135,122.56 and 1,029,983.52 is: 1,421,439.90
Step by Step Solution
- Step 1: Write the proportion equation
1,547,122.08 : 2,135,122.56 = 1,029,983.52 : x - Step 2: Convert to fraction form
1,547,122.08/2,135,122.56 = 1,029,983.52/x - Step 3: Cross multiply
1,547,122.08x = 2,135,122.56 × 1,029,983.52 - Step 4: Simplify right side
1,547,122.08x = 2,199,141,049,980.21 - Step 5: Solve for x
x = 2,199,141,049,980.21/1,547,122.08 - Step 6: Final answer
x = 1,421,439.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.