Home / 1,910,886.12-2,866,705.02-631,441.98

Finding the Fourth Proportional to 1,910,886.12, 2,866,705.02 and 631,441.98

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Solution

The fourth proportional to 1,910,886.12, 2,866,705.02 and 631,441.98 is: 947,287.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,886.12 : 2,866,705.02 = 631,441.98 : x
  2. Step 2: Convert to fraction form
    1,910,886.12/2,866,705.02 = 631,441.98/x
  3. Step 3: Cross multiply
    1,910,886.12x = 2,866,705.02 × 631,441.98
  4. Step 4: Simplify right side
    1,910,886.12x = 1,810,157,893,904.74
  5. Step 5: Solve for x
    x = 1,810,157,893,904.74/1,910,886.12
  6. Step 6: Final answer
    x = 947,287.16

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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.