Home / 2,931,878.13-4,045,989.08-1,642,727.74

Finding the Fourth Proportional to 2,931,878.13, 4,045,989.08 and 1,642,727.74

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Solution

The fourth proportional to 2,931,878.13, 4,045,989.08 and 1,642,727.74 is: 2,266,962.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,878.13 : 4,045,989.08 = 1,642,727.74 : x
  2. Step 2: Convert to fraction form
    2,931,878.13/4,045,989.08 = 1,642,727.74/x
  3. Step 3: Cross multiply
    2,931,878.13x = 4,045,989.08 × 1,642,727.74
  4. Step 4: Simplify right side
    2,931,878.13x = 6,646,458,499,031.16
  5. Step 5: Solve for x
    x = 6,646,458,499,031.16/2,931,878.13
  6. Step 6: Final answer
    x = 2,266,962.75

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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.