Finding the Fourth Proportional to 1,660,889.61, 2,292,027.65 and 896,943.18
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Solution
The fourth proportional to 1,660,889.61, 2,292,027.65 and 896,943.18 is: 1,237,781.57
Step by Step Solution
- Step 1: Write the proportion equation
1,660,889.61 : 2,292,027.65 = 896,943.18 : x - Step 2: Convert to fraction form
1,660,889.61/2,292,027.65 = 896,943.18/x - Step 3: Cross multiply
1,660,889.61x = 2,292,027.65 × 896,943.18 - Step 4: Simplify right side
1,660,889.61x = 2,055,818,558,762.05 - Step 5: Solve for x
x = 2,055,818,558,762.05/1,660,889.61 - Step 6: Final answer
x = 1,237,781.57
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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.