Finding the Fourth Proportional to 2,087,430.72, 3,130,159.19 and 808,637.15
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Solution
The fourth proportional to 2,087,430.72, 3,130,159.19 and 808,637.15 is: 1,212,573.41
Step by Step Solution
- Step 1: Write the proportion equation
2,087,430.72 : 3,130,159.19 = 808,637.15 : x - Step 2: Convert to fraction form
2,087,430.72/3,130,159.19 = 808,637.15/x - Step 3: Cross multiply
2,087,430.72x = 3,130,159.19 × 808,637.15 - Step 4: Simplify right side
2,087,430.72x = 2,531,162,986,753.93 - Step 5: Solve for x
x = 2,531,162,986,753.93/2,087,430.72 - Step 6: Final answer
x = 1,212,573.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.