Home / 1,880,220.69-2,592,133.83-1,291,502.16

Finding the Fourth Proportional to 1,880,220.69, 2,592,133.83 and 1,291,502.16

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Solution

The fourth proportional to 1,880,220.69, 2,592,133.83 and 1,291,502.16 is: 1,780,507.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,880,220.69 : 2,592,133.83 = 1,291,502.16 : x
  2. Step 2: Convert to fraction form
    1,880,220.69/2,592,133.83 = 1,291,502.16/x
  3. Step 3: Cross multiply
    1,880,220.69x = 2,592,133.83 × 1,291,502.16
  4. Step 4: Simplify right side
    1,880,220.69x = 3,347,746,440,454.07
  5. Step 5: Solve for x
    x = 3,347,746,440,454.07/1,880,220.69
  6. Step 6: Final answer
    x = 1,780,507.18

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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.