Finding the Fourth Proportional to 5,018,848.72, 7,528,258.08 and 1,424,618.68
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Solution
The fourth proportional to 5,018,848.72, 7,528,258.08 and 1,424,618.68 is: 2,136,923.76
Step by Step Solution
- Step 1: Write the proportion equation
5,018,848.72 : 7,528,258.08 = 1,424,618.68 : x - Step 2: Convert to fraction form
5,018,848.72/7,528,258.08 = 1,424,618.68/x - Step 3: Cross multiply
5,018,848.72x = 7,528,258.08 × 1,424,618.68 - Step 4: Simplify right side
5,018,848.72x = 10,724,897,088,628.93 - Step 5: Solve for x
x = 10,724,897,088,628.93/5,018,848.72 - Step 6: Final answer
x = 2,136,923.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.