Finding the Fourth Proportional to 1,948,357.71, 2,688,726.91 and 1,088,917.97
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Solution
The fourth proportional to 1,948,357.71, 2,688,726.91 and 1,088,917.97 is: 1,502,703.04
Step by Step Solution
- Step 1: Write the proportion equation
1,948,357.71 : 2,688,726.91 = 1,088,917.97 : x - Step 2: Convert to fraction form
1,948,357.71/2,688,726.91 = 1,088,917.97/x - Step 3: Cross multiply
1,948,357.71x = 2,688,726.91 × 1,088,917.97 - Step 4: Simplify right side
1,948,357.71x = 2,927,803,048,721.57 - Step 5: Solve for x
x = 2,927,803,048,721.57/1,948,357.71 - Step 6: Final answer
x = 1,502,703.04
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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.