Finding the Fourth Proportional to 1,417,543.80, 2,126,315.70 and 1,018,963.05
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Solution
The fourth proportional to 1,417,543.80, 2,126,315.70 and 1,018,963.05 is: 1,528,444.58
Step by Step Solution
- Step 1: Write the proportion equation
1,417,543.80 : 2,126,315.70 = 1,018,963.05 : x - Step 2: Convert to fraction form
1,417,543.80/2,126,315.70 = 1,018,963.05/x - Step 3: Cross multiply
1,417,543.80x = 2,126,315.70 × 1,018,963.05 - Step 4: Simplify right side
1,417,543.80x = 2,166,637,130,934.89 - Step 5: Solve for x
x = 2,166,637,130,934.89/1,417,543.80 - Step 6: Final answer
x = 1,528,444.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.