Home / 1,919,111.10-2,878,666.65-974,327.10

Finding the Fourth Proportional to 1,919,111.10, 2,878,666.65 and 974,327.10

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Solution

The fourth proportional to 1,919,111.10, 2,878,666.65 and 974,327.10 is: 1,461,490.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,111.10 : 2,878,666.65 = 974,327.10 : x
  2. Step 2: Convert to fraction form
    1,919,111.10/2,878,666.65 = 974,327.10/x
  3. Step 3: Cross multiply
    1,919,111.10x = 2,878,666.65 × 974,327.10
  4. Step 4: Simplify right side
    1,919,111.10x = 2,804,762,928,961.22
  5. Step 5: Solve for x
    x = 2,804,762,928,961.22/1,919,111.10
  6. Step 6: Final answer
    x = 1,461,490.65

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Similar ratio
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1.5x scale

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.