Home / 1,554,810.85-2,145,712.02-910,438.63

Finding the Fourth Proportional to 1,554,810.85, 2,145,712.02 and 910,438.63

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Solution

The fourth proportional to 1,554,810.85, 2,145,712.02 and 910,438.63 is: 1,256,448.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,810.85 : 2,145,712.02 = 910,438.63 : x
  2. Step 2: Convert to fraction form
    1,554,810.85/2,145,712.02 = 910,438.63/x
  3. Step 3: Cross multiply
    1,554,810.85x = 2,145,712.02 × 910,438.63
  4. Step 4: Simplify right side
    1,554,810.85x = 1,953,539,111,863.33
  5. Step 5: Solve for x
    x = 1,953,539,111,863.33/1,554,810.85
  6. Step 6: Final answer
    x = 1,256,448.08

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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.