Home / 1,997,597.12-2,756,008.80-1,137,547.52

Finding the Fourth Proportional to 1,997,597.12, 2,756,008.80 and 1,137,547.52

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Solution

The fourth proportional to 1,997,597.12, 2,756,008.80 and 1,137,547.52 is: 1,569,431.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,597.12 : 2,756,008.80 = 1,137,547.52 : x
  2. Step 2: Convert to fraction form
    1,997,597.12/2,756,008.80 = 1,137,547.52/x
  3. Step 3: Cross multiply
    1,997,597.12x = 2,756,008.80 × 1,137,547.52
  4. Step 4: Simplify right side
    1,997,597.12x = 3,135,090,975,538.18
  5. Step 5: Solve for x
    x = 3,135,090,975,538.18/1,997,597.12
  6. Step 6: Final answer
    x = 1,569,431.07

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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.