Finding the Fourth Proportional to 1,536,202.31, 2,119,957.86 and 857,138.81
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Solution
The fourth proportional to 1,536,202.31, 2,119,957.86 and 857,138.81 is: 1,182,850.82
Step by Step Solution
- Step 1: Write the proportion equation
1,536,202.31 : 2,119,957.86 = 857,138.81 : x - Step 2: Convert to fraction form
1,536,202.31/2,119,957.86 = 857,138.81/x - Step 3: Cross multiply
1,536,202.31x = 2,119,957.86 × 857,138.81 - Step 4: Simplify right side
1,536,202.31x = 1,817,098,152,070.65 - Step 5: Solve for x
x = 1,817,098,152,070.65/1,536,202.31 - Step 6: Final answer
x = 1,182,850.82
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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.