Finding the Fourth Proportional to 3,158,569.74, 4,358,826.27 and 1,708,265.19
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Solution
The fourth proportional to 3,158,569.74, 4,358,826.27 and 1,708,265.19 is: 2,357,405.98
Step by Step Solution
- Step 1: Write the proportion equation
3,158,569.74 : 4,358,826.27 = 1,708,265.19 : x - Step 2: Convert to fraction form
3,158,569.74/4,358,826.27 = 1,708,265.19/x - Step 3: Cross multiply
3,158,569.74x = 4,358,826.27 × 1,708,265.19 - Step 4: Simplify right side
3,158,569.74x = 7,446,031,186,298.54 - Step 5: Solve for x
x = 7,446,031,186,298.54/3,158,569.74 - Step 6: Final answer
x = 2,357,405.98
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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.