Home / 1,816,742.16-2,506,916.28-1,118,911.77

Finding the Fourth Proportional to 1,816,742.16, 2,506,916.28 and 1,118,911.77

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Solution

The fourth proportional to 1,816,742.16, 2,506,916.28 and 1,118,911.77 is: 1,543,982.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,742.16 : 2,506,916.28 = 1,118,911.77 : x
  2. Step 2: Convert to fraction form
    1,816,742.16/2,506,916.28 = 1,118,911.77/x
  3. Step 3: Cross multiply
    1,816,742.16x = 2,506,916.28 × 1,118,911.77
  4. Step 4: Simplify right side
    1,816,742.16x = 2,805,018,132,096.62
  5. Step 5: Solve for x
    x = 2,805,018,132,096.62/1,816,742.16
  6. Step 6: Final answer
    x = 1,543,982.52

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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.