Home / 1,888,460.80-2,833,528.08-989,688.64

Finding the Fourth Proportional to 1,888,460.80, 2,833,528.08 and 989,688.64

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Solution

The fourth proportional to 1,888,460.80, 2,833,528.08 and 989,688.64 is: 1,484,971.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,460.80 : 2,833,528.08 = 989,688.64 : x
  2. Step 2: Convert to fraction form
    1,888,460.80/2,833,528.08 = 989,688.64/x
  3. Step 3: Cross multiply
    1,888,460.80x = 2,833,528.08 × 989,688.64
  4. Step 4: Simplify right side
    1,888,460.80x = 2,804,310,551,897.01
  5. Step 5: Solve for x
    x = 2,804,310,551,897.01/1,888,460.80
  6. Step 6: Final answer
    x = 1,484,971.55

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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.