Finding the Fourth Proportional to 1,484,721.58, 2,048,921.40 and 805,658.08
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Solution
The fourth proportional to 1,484,721.58, 2,048,921.40 and 805,658.08 is: 1,111,811.20
Step by Step Solution
- Step 1: Write the proportion equation
1,484,721.58 : 2,048,921.40 = 805,658.08 : x - Step 2: Convert to fraction form
1,484,721.58/2,048,921.40 = 805,658.08/x - Step 3: Cross multiply
1,484,721.58x = 2,048,921.40 × 805,658.08 - Step 4: Simplify right side
1,484,721.58x = 1,650,730,081,194.91 - Step 5: Solve for x
x = 1,650,730,081,194.91/1,484,721.58 - Step 6: Final answer
x = 1,111,811.20
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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.