Finding the Fourth Proportional to 1,395,530.17, 1,925,831.64 and 783,683.44
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Solution
The fourth proportional to 1,395,530.17, 1,925,831.64 and 783,683.44 is: 1,081,483.15
Step by Step Solution
- Step 1: Write the proportion equation
1,395,530.17 : 1,925,831.64 = 783,683.44 : x - Step 2: Convert to fraction form
1,395,530.17/1,925,831.64 = 783,683.44/x - Step 3: Cross multiply
1,395,530.17x = 1,925,831.64 × 783,683.44 - Step 4: Simplify right side
1,395,530.17x = 1,509,242,364,496.04 - Step 5: Solve for x
x = 1,509,242,364,496.04/1,395,530.17 - Step 6: Final answer
x = 1,081,483.15
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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.