Finding the Fourth Proportional to 5,013,921.58, 6,919,639.98 and 2,838,848.02
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Solution
The fourth proportional to 5,013,921.58, 6,919,639.98 and 2,838,848.02 is: 3,917,852.71
Step by Step Solution
- Step 1: Write the proportion equation
5,013,921.58 : 6,919,639.98 = 2,838,848.02 : x - Step 2: Convert to fraction form
5,013,921.58/6,919,639.98 = 2,838,848.02/x - Step 3: Cross multiply
5,013,921.58x = 6,919,639.98 × 2,838,848.02 - Step 4: Simplify right side
5,013,921.58x = 19,643,806,256,335.84 - Step 5: Solve for x
x = 19,643,806,256,335.84/5,013,921.58 - Step 6: Final answer
x = 3,917,852.71
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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.