Finding the Fourth Proportional to 1,532,345.76, 2,114,637.04 and 888,139.62
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Solution
The fourth proportional to 1,532,345.76, 2,114,637.04 and 888,139.62 is: 1,225,632.61
Step by Step Solution
- Step 1: Write the proportion equation
1,532,345.76 : 2,114,637.04 = 888,139.62 : x - Step 2: Convert to fraction form
1,532,345.76/2,114,637.04 = 888,139.62/x - Step 3: Cross multiply
1,532,345.76x = 2,114,637.04 × 888,139.62 - Step 4: Simplify right side
1,532,345.76x = 1,878,092,937,143.53 - Step 5: Solve for x
x = 1,878,092,937,143.53/1,532,345.76 - Step 6: Final answer
x = 1,225,632.61
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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.