Finding the Fourth Proportional to 1,563,831.70, 2,157,968.45 and 875,345.87
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Solution
The fourth proportional to 1,563,831.70, 2,157,968.45 and 875,345.87 is: 1,207,910.53
Step by Step Solution
- Step 1: Write the proportion equation
1,563,831.70 : 2,157,968.45 = 875,345.87 : x - Step 2: Convert to fraction form
1,563,831.70/2,157,968.45 = 875,345.87/x - Step 3: Cross multiply
1,563,831.70x = 2,157,968.45 × 875,345.87 - Step 4: Simplify right side
1,563,831.70x = 1,888,968,777,881.09 - Step 5: Solve for x
x = 1,888,968,777,881.09/1,563,831.70 - Step 6: Final answer
x = 1,207,910.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.