Finding the Fourth Proportional to 1,905,237.78, 2,628,032.19 and 1,130,320.00
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Solution
The fourth proportional to 1,905,237.78, 2,628,032.19 and 1,130,320.00 is: 1,559,132.07
Step by Step Solution
- Step 1: Write the proportion equation
1,905,237.78 : 2,628,032.19 = 1,130,320.00 : x - Step 2: Convert to fraction form
1,905,237.78/2,628,032.19 = 1,130,320.00/x - Step 3: Cross multiply
1,905,237.78x = 2,628,032.19 × 1,130,320.00 - Step 4: Simplify right side
1,905,237.78x = 2,970,517,329,264.46 - Step 5: Solve for x
x = 2,970,517,329,264.46/1,905,237.78 - Step 6: Final answer
x = 1,559,132.07
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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.