Home / 1,878,613.89-2,592,492.20-1,019,174.15

Finding the Fourth Proportional to 1,878,613.89, 2,592,492.20 and 1,019,174.15

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Solution

The fourth proportional to 1,878,613.89, 2,592,492.20 and 1,019,174.15 is: 1,406,463.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,613.89 : 2,592,492.20 = 1,019,174.15 : x
  2. Step 2: Convert to fraction form
    1,878,613.89/2,592,492.20 = 1,019,174.15/x
  3. Step 3: Cross multiply
    1,878,613.89x = 2,592,492.20 × 1,019,174.15
  4. Step 4: Simplify right side
    1,878,613.89x = 2,642,201,032,232.51
  5. Step 5: Solve for x
    x = 2,642,201,032,232.51/1,878,613.89
  6. Step 6: Final answer
    x = 1,406,463.05

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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.