Home / 1,636,886.60-2,258,547.21-992,465.18

Finding the Fourth Proportional to 1,636,886.60, 2,258,547.21 and 992,465.18

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Solution

The fourth proportional to 1,636,886.60, 2,258,547.21 and 992,465.18 is: 1,369,385.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,886.60 : 2,258,547.21 = 992,465.18 : x
  2. Step 2: Convert to fraction form
    1,636,886.60/2,258,547.21 = 992,465.18/x
  3. Step 3: Cross multiply
    1,636,886.60x = 2,258,547.21 × 992,465.18
  4. Step 4: Simplify right side
    1,636,886.60x = 2,241,529,463,311.15
  5. Step 5: Solve for x
    x = 2,241,529,463,311.15/1,636,886.60
  6. Step 6: Final answer
    x = 1,369,385.92

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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.