Finding the Fourth Proportional to 1,932,430.08, 2,885,632.12 and 1,578,146.88
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Solution
The fourth proportional to 1,932,430.08, 2,885,632.12 and 1,578,146.88 is: 2,356,593.07
Step by Step Solution
- Step 1: Write the proportion equation
1,932,430.08 : 2,885,632.12 = 1,578,146.88 : x - Step 2: Convert to fraction form
1,932,430.08/2,885,632.12 = 1,578,146.88/x - Step 3: Cross multiply
1,932,430.08x = 2,885,632.12 × 1,578,146.88 - Step 4: Simplify right side
1,932,430.08x = 4,553,951,327,005.79 - Step 5: Solve for x
x = 4,553,951,327,005.79/1,932,430.08 - Step 6: Final answer
x = 2,356,593.07
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.