Home / 1,792,631.60-2,688,947.40-1,643,332.40

Finding the Fourth Proportional to 1,792,631.60, 2,688,947.40 and 1,643,332.40

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Solution

The fourth proportional to 1,792,631.60, 2,688,947.40 and 1,643,332.40 is: 2,464,998.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792,631.60 : 2,688,947.40 = 1,643,332.40 : x
  2. Step 2: Convert to fraction form
    1,792,631.60/2,688,947.40 = 1,643,332.40/x
  3. Step 3: Cross multiply
    1,792,631.60x = 2,688,947.40 × 1,643,332.40
  4. Step 4: Simplify right side
    1,792,631.60x = 4,418,834,384,315.76
  5. Step 5: Solve for x
    x = 4,418,834,384,315.76/1,792,631.60
  6. Step 6: Final answer
    x = 2,464,998.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.