Finding the Fourth Proportional to 2,979,058.35, 4,465,088.31 and 1,378,239.96
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Solution
The fourth proportional to 2,979,058.35, 4,465,088.31 and 1,378,239.96 is: 2,065,741.05
Step by Step Solution
- Step 1: Write the proportion equation
2,979,058.35 : 4,465,088.31 = 1,378,239.96 : x - Step 2: Convert to fraction form
2,979,058.35/4,465,088.31 = 1,378,239.96/x - Step 3: Cross multiply
2,979,058.35x = 4,465,088.31 × 1,378,239.96 - Step 4: Simplify right side
2,979,058.35x = 6,153,963,133,770.87 - Step 5: Solve for x
x = 6,153,963,133,770.87/2,979,058.35 - Step 6: Final answer
x = 2,065,741.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.