Finding the Fourth Proportional to 1,564,543.47, 2,158,699.94 and 885,479.97
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Solution
The fourth proportional to 1,564,543.47, 2,158,699.94 and 885,479.97 is: 1,221,752.92
Step by Step Solution
- Step 1: Write the proportion equation
1,564,543.47 : 2,158,699.94 = 885,479.97 : x - Step 2: Convert to fraction form
1,564,543.47/2,158,699.94 = 885,479.97/x - Step 3: Cross multiply
1,564,543.47x = 2,158,699.94 × 885,479.97 - Step 4: Simplify right side
1,564,543.47x = 1,911,485,553,682.80 - Step 5: Solve for x
x = 1,911,485,553,682.80/1,564,543.47 - Step 6: Final answer
x = 1,221,752.92
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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.