Home / 1,530,265.02-2,112,210.63-1,020,966.54

Finding the Fourth Proportional to 1,530,265.02, 2,112,210.63 and 1,020,966.54

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Solution

The fourth proportional to 1,530,265.02, 2,112,210.63 and 1,020,966.54 is: 1,409,230.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,265.02 : 2,112,210.63 = 1,020,966.54 : x
  2. Step 2: Convert to fraction form
    1,530,265.02/2,112,210.63 = 1,020,966.54/x
  3. Step 3: Cross multiply
    1,530,265.02x = 2,112,210.63 × 1,020,966.54
  4. Step 4: Simplify right side
    1,530,265.02x = 2,156,496,378,662.32
  5. Step 5: Solve for x
    x = 2,156,496,378,662.32/1,530,265.02
  6. Step 6: Final answer
    x = 1,409,230.66

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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.