Finding the Fourth Proportional to 1,455,134.32, 2,007,363.18 and 972,346.96
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Solution
The fourth proportional to 1,455,134.32, 2,007,363.18 and 972,346.96 is: 1,341,356.23
Step by Step Solution
- Step 1: Write the proportion equation
1,455,134.32 : 2,007,363.18 = 972,346.96 : x - Step 2: Convert to fraction form
1,455,134.32/2,007,363.18 = 972,346.96/x - Step 3: Cross multiply
1,455,134.32x = 2,007,363.18 × 972,346.96 - Step 4: Simplify right side
1,455,134.32x = 1,951,853,485,688.93 - Step 5: Solve for x
x = 1,951,853,485,688.93/1,455,134.32 - Step 6: Final answer
x = 1,341,356.23
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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.