Home / 2,122,878.54-2,927,652.35-1,397,457.93

Finding the Fourth Proportional to 2,122,878.54, 2,927,652.35 and 1,397,457.93

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Solution

The fourth proportional to 2,122,878.54, 2,927,652.35 and 1,397,457.93 is: 1,927,228.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122,878.54 : 2,927,652.35 = 1,397,457.93 : x
  2. Step 2: Convert to fraction form
    2,122,878.54/2,927,652.35 = 1,397,457.93/x
  3. Step 3: Cross multiply
    2,122,878.54x = 2,927,652.35 × 1,397,457.93
  4. Step 4: Simplify right side
    2,122,878.54x = 4,091,270,985,803.35
  5. Step 5: Solve for x
    x = 4,091,270,985,803.35/2,122,878.54
  6. Step 6: Final answer
    x = 1,927,228.01

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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.