Finding the Fourth Proportional to 2,087,272.16, 3,130,788.32 and 1,239,727.36
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Solution
The fourth proportional to 2,087,272.16, 3,130,788.32 and 1,239,727.36 is: 1,859,519.81
Step by Step Solution
- Step 1: Write the proportion equation
2,087,272.16 : 3,130,788.32 = 1,239,727.36 : x - Step 2: Convert to fraction form
2,087,272.16/3,130,788.32 = 1,239,727.36/x - Step 3: Cross multiply
2,087,272.16x = 3,130,788.32 × 1,239,727.36 - Step 4: Simplify right side
2,087,272.16x = 3,881,323,938,672.44 - Step 5: Solve for x
x = 3,881,323,938,672.44/2,087,272.16 - Step 6: Final answer
x = 1,859,519.81
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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.