Home / 1,989,901.80-2,746,073.73-1,130,509.20

Finding the Fourth Proportional to 1,989,901.80, 2,746,073.73 and 1,130,509.20

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Solution

The fourth proportional to 1,989,901.80, 2,746,073.73 and 1,130,509.20 is: 1,560,107.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,901.80 : 2,746,073.73 = 1,130,509.20 : x
  2. Step 2: Convert to fraction form
    1,989,901.80/2,746,073.73 = 1,130,509.20/x
  3. Step 3: Cross multiply
    1,989,901.80x = 2,746,073.73 × 1,130,509.20
  4. Step 4: Simplify right side
    1,989,901.80x = 3,104,461,615,643.32
  5. Step 5: Solve for x
    x = 3,104,461,615,643.32/1,989,901.80
  6. Step 6: Final answer
    x = 1,560,107.95

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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.