Home / 1,808,427.84-2,495,632.80-992,636.16

Finding the Fourth Proportional to 1,808,427.84, 2,495,632.80 and 992,636.16

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Solution

The fourth proportional to 1,808,427.84, 2,495,632.80 and 992,636.16 is: 1,369,839.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,427.84 : 2,495,632.80 = 992,636.16 : x
  2. Step 2: Convert to fraction form
    1,808,427.84/2,495,632.80 = 992,636.16/x
  3. Step 3: Cross multiply
    1,808,427.84x = 2,495,632.80 × 992,636.16
  4. Step 4: Simplify right side
    1,808,427.84x = 2,477,255,359,362.05
  5. Step 5: Solve for x
    x = 2,477,255,359,362.05/1,808,427.84
  6. Step 6: Final answer
    x = 1,369,839.21

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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.