Finding the Fourth Proportional to 1,530,572.87, 2,112,210.00 and 842,323.97
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Solution
The fourth proportional to 1,530,572.87, 2,112,210.00 and 842,323.97 is: 1,162,417.77
Step by Step Solution
- Step 1: Write the proportion equation
1,530,572.87 : 2,112,210.00 = 842,323.97 : x - Step 2: Convert to fraction form
1,530,572.87/2,112,210.00 = 842,323.97/x - Step 3: Cross multiply
1,530,572.87x = 2,112,210.00 × 842,323.97 - Step 4: Simplify right side
1,530,572.87x = 1,779,165,108,462.08 - Step 5: Solve for x
x = 1,779,165,108,462.08/1,530,572.87 - Step 6: Final answer
x = 1,162,417.77
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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.