Home / 1,888,492.16-2,606,037.44-1,072,693.28

Finding the Fourth Proportional to 1,888,492.16, 2,606,037.44 and 1,072,693.28

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Solution

The fourth proportional to 1,888,492.16, 2,606,037.44 and 1,072,693.28 is: 1,480,270.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,492.16 : 2,606,037.44 = 1,072,693.28 : x
  2. Step 2: Convert to fraction form
    1,888,492.16/2,606,037.44 = 1,072,693.28/x
  3. Step 3: Cross multiply
    1,888,492.16x = 2,606,037.44 × 1,072,693.28
  4. Step 4: Simplify right side
    1,888,492.16x = 2,795,478,849,316.40
  5. Step 5: Solve for x
    x = 2,795,478,849,316.40/1,888,492.16
  6. Step 6: Final answer
    x = 1,480,270.30

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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.