Finding the Fourth Proportional to 1,513,089.47, 2,088,000.64 and 824,746.18
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Solution
The fourth proportional to 1,513,089.47, 2,088,000.64 and 824,746.18 is: 1,138,115.48
Step by Step Solution
- Step 1: Write the proportion equation
1,513,089.47 : 2,088,000.64 = 824,746.18 : x - Step 2: Convert to fraction form
1,513,089.47/2,088,000.64 = 824,746.18/x - Step 3: Cross multiply
1,513,089.47x = 2,088,000.64 × 824,746.18 - Step 4: Simplify right side
1,513,089.47x = 1,722,070,540,891.79 - Step 5: Solve for x
x = 1,722,070,540,891.79/1,513,089.47 - Step 6: Final answer
x = 1,138,115.48
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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.