Finding the Fourth Proportional to 1,927,853.31, 2,660,437.57 and 1,068,468.93
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Solution
The fourth proportional to 1,927,853.31, 2,660,437.57 and 1,068,468.93 is: 1,474,487.12
Step by Step Solution
- Step 1: Write the proportion equation
1,927,853.31 : 2,660,437.57 = 1,068,468.93 : x - Step 2: Convert to fraction form
1,927,853.31/2,660,437.57 = 1,068,468.93/x - Step 3: Cross multiply
1,927,853.31x = 2,660,437.57 × 1,068,468.93 - Step 4: Simplify right side
1,927,853.31x = 2,842,594,889,835.79 - Step 5: Solve for x
x = 2,842,594,889,835.79/1,927,853.31 - Step 6: Final answer
x = 1,474,487.12
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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.