Finding the Fourth Proportional to 4,128,130.32, 5,696,663.60 and 2,292,706.80
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Solution
The fourth proportional to 4,128,130.32, 5,696,663.60 and 2,292,706.80 is: 3,163,848.61
Step by Step Solution
- Step 1: Write the proportion equation
4,128,130.32 : 5,696,663.60 = 2,292,706.80 : x - Step 2: Convert to fraction form
4,128,130.32/5,696,663.60 = 2,292,706.80/x - Step 3: Cross multiply
4,128,130.32x = 5,696,663.60 × 2,292,706.80 - Step 4: Simplify right side
4,128,130.32x = 13,060,779,373,032.48 - Step 5: Solve for x
x = 13,060,779,373,032.48/4,128,130.32 - Step 6: Final answer
x = 3,163,848.61
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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.