Home / 1,989,283-2,745,210.54-1,083,865

Finding the Fourth Proportional to 1,989,283, 2,745,210.54 and 1,083,865

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Solution

The fourth proportional to 1,989,283, 2,745,210.54 and 1,083,865 is: 1,495,733.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,283 : 2,745,210.54 = 1,083,865 : x
  2. Step 2: Convert to fraction form
    1,989,283/2,745,210.54 = 1,083,865/x
  3. Step 3: Cross multiply
    1,989,283x = 2,745,210.54 × 1,083,865
  4. Step 4: Simplify right side
    1,989,283x = 2,975,437,621,937.10
  5. Step 5: Solve for x
    x = 2,975,437,621,937.10/1,989,283
  6. Step 6: Final answer
    x = 1,495,733.70

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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.